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==HCM asym==
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==Reference values for normal adult TEE measurements==
{| class="wikitable" style="font-size:90%;"
 
|+'''Reference values for normal adult TEE measurements'''
!Parameter
!&nbsp;
!Mean ± SD (mm)
!Range (mm)
 
|-
| rowspan="2" | &nbsp;
| Right pulmonary artery diameter<sup>a</sup>
| align="center" | 17 ± 3
| align="center" | 12-22
|-
| Left upper pulmonary vein diameter
| align="center" | 11 ± 2
| align="center" | 7-16
 
|-
| rowspan="4" | Left atrial appendage
| Length
| align="center" | 28 ± 5
| align="center" | 15-43
|-
| Diameter
| align="center" | 16 ± 5
| align="center" | 10-28
|-
| Superior vena cava diameter
| align="center" | 15 ± 3
| align="center" | 8-20
|-
| Right ventricular outflow tract diameter<sup>b</sup>
| align="center" | 27 ± 4
| align="center" | 16-36
 
|-
| rowspan="2" | Left atrium<sup>c</sup>
| Anteroposterior diameter
| align="center" | 38 ± 6
| align="center" | 20-52
|-
| Medial-lateral diameter
| align="center" | 39 ± 7
| align="center" | 24-52
 
|-
| rowspan="5" | Right atrium<sup>c</sup>
| Anteroposterior diameter
| align="center" | 38 ± 5
| align="center" | 28-52
|-
| Medial-lateral diameter
| align="center" | 38 ± 6
| align="center" | 29-53
|-
| Tricuspid annular diameter<sup>c</sup>
| align="center" | 28 ± 5
| align="center" | 20-40
|-
| Mitral annular diameter<sup>c</sup>
| align="center" | 29 ± 4
| align="center" | 20-38
|-
| Coronary sinus diameter
| align="center" | 6.6 ± 1.5
| align="center" | 4-10
 
|-
| rowspan="5" | Left ventricle<sup>d</sup>
| Anteroposterior diameter (diastole)
| align="center" | 43 ± 7
| align="center" | 33-55
|-
| Medial-lateral diameter (diastole)
| align="center" | 42 ± 7
| align="center" | 23-54
|-
| Anteroposterior diameter (systole)
| align="center" | 28 ± 6
| align="center" | 18-40
|-
| Medial-lateral diameter (systole)
| align="center" | 27 ± 6
| align="center" | 18-42
|-
| Aortic root diameter<sup>b</sup>
| align="center" | 28 ± 3
| align="center" | 21-34
 
|-
| rowspan="2" | Descending thoracic aorta diameter
| Proximal
| align="center" | 21 ± 4
| align="center" | 14-30
|-
| Distal
| align="center" | 20 ± 4
| align="center" | 13-28
 
|-
| colspan="4" |
<ul>
<li><sup>a</sup>Right pulmonary artery diameter measured in midesophageal ascending aorta short-axis view.</li>
<li><sup>b</sup>Aortic root and right ventricular outflow tract diameters measured in the midesophageal right ventricular inflow/outflow tract view.</li>
<li><sup>c</sup>Atrial (end-systole) and both mitral and tricuspid annular (mid-diastole) diameters measured in the midesophageal four-chamber view.</li>
<li><sup>d</sup>Left ventricular dimensions measured in transgastric mid short-axis view.</li>
<li>SD, standard deviation.</li>
<li>Adapted from Cohen G, White M, Sochowski R, et al. Reference values for normal transesophageal measurements. <em>J Am Soc Echocardiogr</em> 1995;8:221-230.</li>
</ul>
|}
 
<!-- TABLE 3 -->
 
==Normal Doppler echocardiographic values of aortic valve prosthesis==
{| class="wikitable" style="font-size:90%;"
 
|+'''Normal Doppler echocardiographic values of aortic valve prosthesis'''
! style="width:200px" | Valve
! style="width:50px" | Size
! style="width:50px" | <em>n</em>
! style="width:100px" | Peak gradient<br/>(mm Hg)
! style="width:100px" | Mean gradient<br/>(mm Hg)
! style="width:100px" | Peak velocity<br/>(m/s)
! style="width:100px" | Effective orifice area<br/>(cm<sup>2</sup>)
 
|-
| rowspan="7" | ATS open pivot AP ATS open pivot (bileaflet)
| align="center" | 16
| align="center" | 6
| align="center" | 47.7 ± 12
| align="center" | 27 ± 7.3
| align="center" | 3.44 ± 0.47
| align="center" | 0.61 ± 0.09
 
|-
| align="center" | 19
| align="center" | 9
| align="center" | 47 ± 12.6
| align="center" | 26.2 ± 7.9
| align="center" | 3.41 ± 0.43
| align="center" | 0.96 ± 0.18
 
|-
| align="center" | 21
| align="center" | 15
| align="center" | 25.5 ± 6.1
| align="center" | 14.4 ± 3.5
| align="center" | 2.4 ± 0.39
| align="center" | 1.58 ± 0.37
 
|-
| align="center" | 23
| align="center" | 8
| align="center" | 19 ± 7
| align="center" | 12 ± 4
| align="center" | &nbsp;
| align="center" | 1.8 ± 0.2
 
|-
| align="center" | 25
| align="center" | 12
| align="center" | 17 ± 8
| align="center" | 11 ± 4
| align="center" | &nbsp;
| align="center" | 2.2 ± 0.4
 
|-
| align="center" | 27
| align="center" | 10
| align="center" | 14 ± 4
| align="center" | 9 ± 2
| align="center" | &nbsp;
| align="center" | 2.5 ± 0.3
 
|-
| align="center" | 29
| align="center" | 5
| align="center" | 11 ± 3
| align="center" | 8 ± 2
| align="center" | &nbsp;
| align="center" | 3.1 ± 0.3
 
|-
| rowspan="5" | Biocor stentless (stentless bioprosthesis)
| align="center" | 21
| align="center" | 45
| align="center" | 35.97 ± 4.06
| align="center" | 18 ± 4
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 23
| align="center" | 115
| align="center" | 29.15 ± 8.28
| align="center" | 18.64 ± 7.14
| align="center" | 3 ± 0.6
| align="center" | 1.4 ± 0.5
 
|-
| align="center" | 25
| align="center" | 100
| align="center" | 28.65 ± 6.6
| align="center" | 17.72 ± 6.99
| align="center" | 2.8 ± 0.5
| align="center" | 1.6 ± 0.38
 
|-
| align="center" | 27
| align="center" | 55
| align="center" | 25.87 ± 2.81
| align="center" | 18 ± 2.8
| align="center" | 2.7 ± 0.2
| align="center" | 1.9 ± 0.46
 
|-
| align="center" | ≥29
| align="center" | 16
| align="center" | 24 ± 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| rowspan="3" | Biocor extended stentless (stentless bioprosthesis)
| align="center" | 19&ndash;21
| align="center" | 12
| align="center" | 17.5 ± 5.8
| align="center" | 9.7 ± 3.5
| align="center" | &nbsp;
| align="center" | 1.3 ± 0.4
 
|-
| align="center" | 23
| align="center" | 18
| align="center" | 14.8 ± 5.9
| align="center" | 8.1 ± 3.1
| align="center" | &nbsp;
| align="center" | 1.6 ± 0.3
 
|-
| align="center" | 25
| align="center" | 20
| align="center" | 14.2 ± 3.5
| align="center" | 7.7 ± 1.9
| align="center" | &nbsp;
| align="center" | 1.8 ± 0.3
 
|-
| rowspan="3" | Bioflo pericardial (stented bioprosthesis)
| align="center" | 19
| align="center" | 16
| align="center" | 37.25 ± 8.65
| align="center" | 24.15 ± 5.1
| align="center" | &nbsp;
| align="center" | 0.77 ± 0.11
 
|-
| align="center" | 21
| align="center" | 9
| align="center" | 28.7 ± 6.2
| align="center" | 18.7 ± 5.5
| align="center" | &nbsp;
| align="center" | 1.1 ± 0.1
 
|-
| align="center" | 23
| align="center" | 4
| align="center" | 20.7 ± 4
| align="center" | 125 ± 3
| align="center" | &nbsp;
| align="center" | 1.3 ± 0.09
 
|-
| rowspan="6" | Björk-Shiley monostrut (tilting disk)
| align="center" | 19
| align="center" | 37
| align="center" | 46.0
| align="center" | 26.67 ± 7.87
| align="center" | 3.3 ± 0.6
| align="center" | 0.94 ± 0.19
 
|-
| align="center" | 21
| align="center" | 161
| align="center" | 32.41 ± 9.73
| align="center" | 18.64 ± 6.09
| align="center" | 2.9 ± 0.4
| align="center" | &nbsp;
 
|-
| align="center" | 23
| align="center" | 153
| align="center" | 26.52 ± 9.67
| align="center" | 14.5 ± 6.2
| align="center" | 2.7 ± 0.5
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 89
| align="center" | 22.33 ± 7
| align="center" | 13.3 ± 4.96
| align="center" | 2.5 ± 0.4
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 61
| align="center" | 18.31 ± 8
| align="center" | 10.41 ± 4.38
| align="center" | 2.1 ± 0.4
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 9
| align="center" | 12 ± 8
| align="center" | 7.67 ± 4.36
| align="center" | 1.9 ± 0.2
| align="center" | &nbsp;
 
|-
| rowspan="8" | Björk-Shiley spherical (tilting disk) or not specified
| align="center" | 17
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 4.1
| align="center" | &nbsp;
 
|-
| align="center" | 19
| align="center" | 2
| align="center" | 27.0
| align="center" | 21.8 ± 3.4
| align="center" | 3.8
| align="center" | 1.1
 
|-
| align="center" | 21
| align="center" | 18
| align="center" | 38.94 ± 11.93
| align="center" | 17.34 ± 6.86
| align="center" | 2.92 ± 0.88
| align="center" | 1.1 ± 0.25
 
|-
| align="center" | 23
| align="center" | 41
| align="center" | 33.86 ± 11
| align="center" | 11.5 ± 4.55
| align="center" | 2.42 ± 0.4
| align="center" | 1.22 ± 0.23
 
|-
| align="center" | 25
| align="center" | 39
| align="center" | 20.39 ± 7.07
| align="center" | 10.67 ± 4.31
| align="center" | 2.06 ± 0.28
| align="center" | 1.8 ± 0.32
 
|-
| align="center" | 27
| align="center" | 23
| align="center" | 19.44 ± 7.99
| align="center" | &nbsp;
| align="center" | 1.77 ± 0.12
| align="center" | 2.6
 
|-
| align="center" | 29
| align="center" | 5
| align="center" | 21.1 ± 7.1
| align="center" | &nbsp;
| align="center" | 1.87 ± 0.18
| align="center" | 2.52 ± 0.69
 
|-
| align="center" | 31
| align="center" | 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.1 ± 0.14
| align="center" | &nbsp;
 
|-
| rowspan="7" | Carbomedics (bileaflet)
| align="center" | 17
| align="center" | 7
| align="center" | 33.4 ± 13.2
| align="center" | 20.1 ± 7.1
| align="center" | &nbsp;
| align="center" | 1.02 ± 0.2
 
|-
| align="center" | 19
| align="center" | 63
| align="center" | 33.3 ± 11.19
| align="center" | 11.61 ± 5.08
| align="center" | 3.09 ± 0.38
| align="center" | 1.25 ± 0.36
 
|-
| align="center" | 21
| align="center" | 111
| align="center" | 26.31 ± 10.25
| align="center" | 12.68 ± 4.29
| align="center" | 2.61 ± 0.51
| align="center" | 1.42 ± 0.36
 
|-
| align="center" | 23
| align="center" | 120
| align="center" | 24.61 ± 6.93
| align="center" | 11.33 ± 3.8
| align="center" | 2.42 ± 0.37
| align="center" | 1.69 ± 0.29
 
|-
| align="center" | 25
| align="center" | 103
| align="center" | 20.25 ± 8.69
| align="center" | 9.34 ± 4.65
| align="center" | 2.25 ± 0.34
| align="center" | 2.04 ± 0.37
 
|-
| align="center" | 27
| align="center" | 57
| align="center" | 19.05 ± 7.04
| align="center" | 8.41 ± 2.83
| align="center" | 2.18 ± 0.36
| align="center" | 2.55 ± 0.34
 
|-
| align="center" | 29
| align="center" | 6
| align="center" | 12.53 ± 4.69
| align="center" | 5.8 ± 3.2
| align="center" | 1.93 ± 0.25
| align="center" | 2.63 ± 0.38
 
|-
| Carbomedics reduced (bileaflet)
| align="center" | 19
| align="center" | 10
| align="center" | 43.4 ± 1.8
| align="center" | 24.4 ± 1.2
| align="center" | &nbsp;
| align="center" | 1.22 ± 0.08
 
|-
| rowspan="4" | Carbomedics supraannular top hat (bileaflet)
| align="center" | 19
| align="center" | 4
| align="center" | 29.04 ± 10.1
| align="center" | 19.5 ± 2.12
| align="center" | 1.8
| align="center" | 1 ± 0.18
 
|-
| align="center" | 21
| align="center" | 30
| align="center" | 29.61 ± 8.93
| align="center" | 16.59 ± 5.79
| align="center" | 2.62 ± 0.35
| align="center" | 1.18 ± 0.33
 
|-
| align="center" | 23
| align="center" | 30
| align="center" | 24.38 ± 7.53
| align="center" | 13.29 ± 3.73
| align="center" | 2.36 ± 0.55
| align="center" | 1.37 ± 0.37
 
|-
| align="center" | 25
| align="center" | 1
| align="center" | 22.0
| align="center" | 11.0
| align="center" | 2.4
| align="center" | &nbsp;
 
|-
| rowspan="7" | Carpentier-Edwards (stented bioprosthesis)
| align="center" | 19
| align="center" | 56
| align="center" | 43.48 ± 12.72
| align="center" | 25.6 ± 8.02
| align="center" | &nbsp;
| align="center" | 0.85 ± 0.17
 
|-
| align="center" | 21
| align="center" | 73
| align="center" | 27.73 ± 7.6
| align="center" | 17.25 ± 6.24
| align="center" | 2.37 ± 0.54
| align="center" | 1.48 ± 0.3
 
|-
| align="center" | 23
| align="center" | 100
| align="center" | 28.93 ± 7.49
| align="center" | 15.92 ± 6.43
| align="center" | 2.76 ± 0.4
| align="center" | 1.69 ± 0.45
 
|-
| align="center" | 25
| align="center" | 85
| align="center" | 23.95 ± 7.05
| align="center" | 12.76 ± 4.43
| align="center" | 2.38 ± 0.47
| align="center" | 1.94 ± 0.45
 
|-
| align="center" | 27
| align="center" | 50
| align="center" | 22.14 ± 8.24
| align="center" | 12.33 ± 5.59
| align="center" | 2.31 ± 0.39
| align="center" | 2.25 ± 0.55
 
|-
| align="center" | 29
| align="center" | 24
| align="center" | 22.0
| align="center" | 9.92 ± 2.9
| align="center" | 2.44 ± 0.43
| align="center" | 2.84 ± 0.51
 
|-
| align="center" | 31
| align="center" | 4
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.41 ± 0.13
| align="center" | &nbsp;
 
|-
| rowspan="6" | Carpentier-Edwards pericardial (stented prosthesis)
| align="center" | 19
| align="center" | 14
| align="center" | 32.13 ± 3.35
| align="center" | 24.19 ± 8.6
| align="center" | 2.83 ± 0.14
| align="center" | 1.21 ± 0.31
 
|-
| align="center" | 21
| align="center" | 34
| align="center" | 25.69 ± 9.9
| align="center" | 20.3 ± 9.08
| align="center" | 2.59 ± 0.42
| align="center" | 1.47 ± 0.36
 
|-
| align="center" | 23
| align="center" | 20
| align="center" | 21.72 ± 8.57
| align="center" | 13.01 ± 5.27
| align="center" | 2.29 ± 0.45
| align="center" | 1.75 ± 0.28
 
|-
| align="center" | 25
| align="center" | 5
| align="center" | 16.46 ± 5.41
| align="center" | 9.04 ± 2.27
| align="center" | 2.02 ± 0.31
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 1
| align="center" | 19.2
| align="center" | 5.6
| align="center" | 1.6
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 1
| align="center" | 17.6
| align="center" | 11.6
| align="center" | 2.1
| align="center" | &nbsp;
 
|-
| rowspan="2" | Carpentier-Edwards supraannular AV (stented bioprosthesis)
| align="center" | 19
| align="center" | 15
| align="center" | 34.1 ± 2.7
| align="center" | &nbsp;
| align="center" | 1.1 ± 0.09
| align="center" | &nbsp;
 
|-
| align="center" | 21
| align="center" | 8
| align="center" | 25 ± 8
| align="center" | 14 ± 5
| align="center" | &nbsp;
| align="center" | 1.06 ± 0.16
 
|-
| rowspan="5" | CryoLife O'Brien stentless (stentless prothesis)
| align="center" | 19
| align="center" | 47
| align="center" | &nbsp;
| align="center" | 12 ± 4.8
| align="center" | &nbsp;
| align="center" | 1.25 ± 0.1
 
|-
| align="center" | 21
| align="center" | 163
| align="center" | &nbsp;
| align="center" | 10.33 ± 2
| align="center" | &nbsp;
| align="center" | 1.57 ± 0.6
 
|-
| align="center" | 23
| align="center" | 40
| align="center" | &nbsp;
| align="center" | 8.5
| align="center" | &nbsp;
| align="center" | 2.2
 
|-
| align="center" | 25
| align="center" | 40
| align="center" | &nbsp;
| align="center" | 7.9
| align="center" | &nbsp;
| align="center" | 2.3
 
|-
| align="center" | 27
| align="center" | 39
| align="center" | &nbsp;
| align="center" | 7.4
| align="center" | &nbsp;
| align="center" | 2.7
 
|-
| rowspan="6" | Duromedics (Tekna; bileaflet)
| align="center" | 19
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 3.6
| align="center" | &nbsp;
 
|-
| align="center" | 21
| align="center" | 3
| align="center" | 19.08 ± 16
| align="center" | 8.98 ± 5
| align="center" | &nbsp;
| align="center" | 1.3
 
|-
| align="center" | 23
| align="center" | 12
| align="center" | 19.87 ± 7
| align="center" | 7 ± 2
| align="center" | 2.64 ± 0.27
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 18
| align="center" | 21 ± 9
| align="center" | 5 ± 2
| align="center" | 2.34 ± 0.38
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 15
| align="center" | 22.5 ± 12
| align="center" | 6 ± 3
| align="center" | 1.88 ± 0.6
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 1
| align="center" | 13.0
| align="center" | 3.4
| align="center" | 2.1
| align="center" | &nbsp;
 
|-
| rowspan="6" | Edwards Prima stentless (stentless bioprosthesis)
| align="center" | 19
| align="center" | 7
| align="center" | 30.9 ± 11.7
| align="center" | 15.4 ± 7.4
| align="center" | &nbsp;
| align="center" | 1 ± 0.3
 
|-
| align="center" | 21
| align="center" | 30
| align="center" | 31.22 ± 17.35
| align="center" | 16.36 ± 11.36
| align="center" | &nbsp;
| align="center" | 1.25 ± 0.29
 
|-
| align="center" | 23
| align="center" | 62
| align="center" | 23.39 ± 10.17
| align="center" | 11.52 ± 5.26
| align="center" | 2.8 ± 0.4
| align="center" | 1.49 ± 0.46
 
|-
| align="center" | 25
| align="center" | 97
| align="center" | 19.74 ± 10.36
| align="center" | 10.77 ± 9.32
| align="center" | 2.7 ± 0.3
| align="center" | 1.7 ± 0.55
 
|-
| align="center" | 27
| align="center" | 46
| align="center" | 15.9 ± 7.3
| align="center" | 7.1 ± 3.7
| align="center" | &nbsp;
| align="center" | 2 ± 0.6
 
|-
| align="center" | 29
| align="center" | 11
| align="center" | 11.21 ± 8.6
| align="center" | 5.03 ± 4.53
| align="center" | &nbsp;
| align="center" | 2.49 ± 0.52
 
|-
| rowspan="6" | Hancock I (stented bioprosthesis)
| align="center" | 21
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 3.5
| align="center" | &nbsp;
 
|-
| align="center" | 23
| align="center" | 14
| align="center" | 19.09 ± 4.35
| align="center" | 12.36 ± 3.82
| align="center" | 2.94 ± 0.24
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 26
| align="center" | 17.61 ± 3.13
| align="center" | 11 ± 2.85
| align="center" | 2.36 ± 0.37
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 20
| align="center" | 18.11 ± 6.92
| align="center" | 10 ± 3.46
| align="center" | 2.4 ± 0.36
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.23 ± 0.04
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.0
| align="center" | &nbsp;
 
|-
| rowspan="5" | Hancock II (stented bioprosthesis)
| align="center" | 21
| align="center" | 39
| align="center" | 20 ± 4
| align="center" | 14.8 ± 4.1
| align="center" | &nbsp;
| align="center" | 1.23 ± 0.27
 
|-
| align="center" | 23
| align="center" |119
| align="center" | 24.72 ± 5.73
| align="center" | 16.64 ± 6.91
| align="center" | &nbsp;
| align="center" | 1.39 ± 0.23
 
|-
| align="center" | 25
| align="center" | 114
| align="center" | 20 ± 2
| align="center" | 10.7 ± 3
| align="center" | &nbsp;
| align="center" | 1.47 ± 0.19
 
|-
| align="center" | 27
| align="center" | 113
| align="center" | 14 ± 3
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.55 ± 0.18
 
|-
| align="center" | 29
| align="center" | 35
| align="center" | 15 ± 3
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.6 ± 0.15
 
|-
| rowspan="7" | Ionescu-Shiley (stented bioprosthesis)
| align="center" | 17
| align="center" | 11
| align="center" | 42.0
| align="center" | 21.1 ± 3.21
| align="center" | &nbsp;
| align="center" | 0.86 ± 0.1
 
|-
| align="center" | 19
| align="center" | 63
| align="center" | 23.17 ± 6.58
| align="center" | 20.44 ± 8.47
| align="center" | 2.63 ± 0.32
| align="center" | 1.15 ± 0.18
 
|-
| align="center" | 21
| align="center" | 11
| align="center" | 27.63 ± 8.34
| align="center" | 15.1 ± 1.56
| align="center" | 2.75 ± 0.25
| align="center" | &nbsp;
 
|-
| align="center" | 23
| align="center" | 5
| align="center" | 18.09 ± 6.49
| align="center" | 9.9 ± 2.85
| align="center" | 2.1 0.38
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 1
| align="center" | 18.0
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 3
| align="center" | 14.75 ± 2.17
| align="center" | 8.97 ± 0.57
| align="center" | 1.92 ± 0.14
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 1
| align="center" | 16.0
| align="center" | 7.3
| align="center" | 2.0
| align="center" | &nbsp;
 
|-
| rowspan="5" | Jyros bileaflet (bileaflet)
| align="center" | 22
| align="center" | 4
| align="center" | 17.3
| align="center" | 10.8
| align="center" | &nbsp;
| align="center" | 1.5
 
|-
| align="center" | 24
| align="center" | 7
| align="center" | 18.6
| align="center" | 11.4
| align="center" | &nbsp;
| align="center" | 1.5
 
|-
| align="center" | 26
| align="center" | 8
| align="center" | 14.4
| align="center" | 8.4
| align="center" | &nbsp;
| align="center" | 1.7
 
|-
| align="center" | 28
| align="center" | 3
| align="center" | 10.0
| align="center" | 5.7
| align="center" | &nbsp;
| align="center" | 1.9
 
|-
| align="center" | 30
| align="center" | 1
| align="center" | 8.0
| align="center" | 6.0
| align="center" | &nbsp;
| align="center" | 1.6
 
|-
| rowspan="4" | Lillehei-Kaster (tilting disk)
| align="center" | 14
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.7
| align="center" | &nbsp;
 
|-
| align="center" | 16
| align="center" | 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 3.43 ± 0.39
| align="center" | &nbsp;
 
|-
| align="center" | 18
| align="center" | 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.85 ± 0.21
| align="center" | &nbsp;
 
|-
| align="center" | 20
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.7
| align="center" | &nbsp;
 
|-
| rowspan="5" | Medtronic Freestyle stentless (stentless bioprosthesis)
| align="center" | 19
| align="center" | 11
| align="center" | &nbsp;
| align="center" | 13.0
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 21
| align="center" | 85
| align="center" | &nbsp;
| align="center" | 7.99 ± 2.6
| align="center" | &nbsp;
| align="center" | 1.6 ± 0.32
 
|-
| align="center" | 23
| align="center" | 141
| align="center" | &nbsp;
| align="center" | 7.24 ± 2.5
| align="center" | &nbsp;
| align="center" | 1.9 ± 0.5
 
|-
| align="center" | 25
| align="center" | 164
| align="center" | &nbsp;
| align="center" | 5.35 ± 1.5
| align="center" | &nbsp;
| align="center" | 2.03 ± 0.41
 
|-
| align="center" | 27
| align="center" | 105
| align="center" | &nbsp;
| align="center" | 4.72 ± 1.6
| align="center" | &nbsp;
| align="center" | 2.5 ± 0.47
 
|-
| rowspan="6" | Medtronic-Hall (tilting disk)
| align="center" | 20
| align="center" | 24
| align="center" | 34.37 ± 13.06
| align="center" | 17.08 ± 5.28
| align="center" | 2.9 ± 0.4
| align="center" | 1.21 ± 0.45
 
|-
| align="center" | 21
| align="center" | 30
| align="center" | 26.86 ± 10.54
| align="center" | 14.1 ± 5.93
| align="center" | 2.42 ± 0.36
| align="center" | 1.08 ± 0.17
 
|-
| align="center" | 23
| align="center" | 27
| align="center" | 26.85 ± 8.85
| align="center" | 13.5 ± 4.79
| align="center" | 2.43 ± 0.59
| align="center" | 1.36 ± 0.39
 
|-
| align="center" | 25
| align="center" | 17
| align="center" | 17.13 ± 7.04
| align="center" | 9.53 ± 4.26
| align="center" | 2.29 ± 0.5
| align="center" | 1.9 ± 0.47
 
|-
| align="center" | 27
| align="center" | 8
| align="center" | 18.66 ± 9.71
| align="center" | 8.66 ± 5.56
| align="center" | 2.07 ± 0.53
| align="center" | 1.9 ± 0.16
 
|-
| align="center" | 29
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.6
| align="center" | &nbsp;
 
|-
| rowspan="6" | Medtronic intact (stented bioprosthesis)
| align="center" | 19
| align="center" | 16
| align="center" | 39.43 ± 15.4
| align="center" | 23.71 ± 9.3
| align="center" | 2.5
| align="center" | &nbsp;
 
|-
| align="center" | 21
| align="center" | 55
| align="center" | 33.9 ± 12.69
| align="center" | 18.74 ± 8.03
| align="center" | 2.73 ± 0.44
| align="center" | 1.55 ± 0.39
 
|-
| align="center" | 23
| align="center" | 110
| align="center" | 31.27 ± 9.62
| align="center" | 18.88 ± 6.17
| align="center" | 2.74 ± 0.37
| align="center" | 1.64 ± 0.37
 
|-
| align="center" | 25
| align="center" | 41
| align="center" | 27.34 ± 10.59
| align="center" | 16.4 ± 6.05
| align="center" | 2.6 ± 0.44
| align="center" | 1.85 ± 0.25
 
|-
| align="center" | 27
| align="center" | 16
| align="center" | 25.27 ± 7.58
| align="center" | 15 ± 3.94
| align="center" | 2.51 ± 0.38
| align="center" | 2.2 ± 0.17
 
|-
| align="center" | 29
| align="center" | 5
| align="center" | 31.0
| align="center" | 15.6 ± 2.1
| align="center" | 2.8
| align="center" | 2.38 ± 0.54
 
|-
| rowspan="5" | Medtronic Mosaic, porcine (stented bioprosthesis)
| align="center" | 21
| align="center" | 51
| align="center" | &nbsp;
| align="center" | 12.43 ± 7.3
| align="center" | &nbsp;
| align="center" | 1.6 ± 0.7
 
|-
| align="center" | 23
| align="center" | 121
| align="center" | &nbsp;
| align="center" | 12.47 ± 7.4
| align="center" | &nbsp;
| align="center" | 2.1 ± 0.8
 
|-
| align="center" | 25
| align="center" | 71
| align="center" | &nbsp;
| align="center" | 10.08 ± 5.1
| align="center" | &nbsp;
| align="center" | 2.1 ± 1.6
 
|-
| align="center" | 27
| align="center" | 30
| align="center" | &nbsp;
| align="center" | 9.0
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 6
| align="center" | &nbsp;
| align="center" | 9.0
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| rowspan="5" | Mitroflow (stented bioprosthesis)
| align="center" | 19
| align="center" | 4
| align="center" | 18.7 ± 5.1
| align="center" | 10.3 ± 3
| align="center" | &nbsp;
| align="center" | 1.13 ± 0.17
 
|-
| align="center" | 21
| align="center" | 7
| align="center" | 20.2
| align="center" | 15.4
| align="center" | 2.3
| align="center" | &nbsp;
 
|-
| align="center" | 23
| align="center" | 5
| align="center" | 14.04 ± 4.91
| align="center" | 7.56 ± 3.38
| align="center" | 1.85 ± 0.34
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 2
| align="center" | 17 ± 11.31
| align="center" | 10.8 ± 6.51
| align="center" | 2 ± 0.71
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 3
| align="center" | 13 ± 3
| align="center" | 6.57 ± 1.7
| align="center" | 1.8 ± 0.2
| align="center" | &nbsp;
 
|-
| rowspan="4" | O'Brien-Angell stentless (annular position; stentless bioprosthesis)
| align="center" | 23
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 14.5 ± 7.77
| align="center" | &nbsp;
| align="center" | 1.15 ± 0.07
 
|-
| align="center" | 25
| align="center" | 50
| align="center" | &nbsp;
| align="center" | 19 ± 12.72
| align="center" | &nbsp;
| align="center" | 1.12 ± 0.25
 
|-
| align="center" | 27
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 18 ± 12.72
| align="center" | &nbsp;
| align="center" | 1.55 ± 0.21
 
|-
| align="center" | 29
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 12 ± 7.07
| align="center" | &nbsp;
| align="center" | 2.05 ± 1.2
 
|-
| rowspan="4" | O'Brien-Angell stentless (supraannular position; stentless bioprosthesis)
| align="center" | 23
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 9 ± 1.4
| align="center" | &nbsp;
| align="center" | 1.58 ± 0.58
 
|-
| align="center" | 25
| align="center" | 50
| align="center" | &nbsp;
| align="center" | 7.5 ± 0.7
| align="center" | &nbsp;
| align="center" | 2.37 ± 0.18
 
|-
| align="center" | 27
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 8.5 ± 0.7
| align="center" | &nbsp;
| align="center" | 2.85 ± 0.87
 
|-
| align="center" | 29
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 7 ± 1.4
| align="center" | &nbsp;
| align="center" | 2.7 ± 0.42
 
|-
| rowspan="5" | Omnicarbon (tilting disk)
| align="center" | 21
| align="center" | 71
| align="center" | 36.79 ± 12.59
| align="center" | 19.4 ± 5.46
| align="center" | 2.93 ± 0.47
| align="center" | 1.25 ± 0.43
 
|-
| align="center" | 23
| align="center" | 83
| align="center" | 29.33 ± 9.67
| align="center" | 17.98 ± 6.06
| align="center" | 2.66 ± 0.44
| align="center" | 1.49 ± 0.34
 
|-
| align="center" | 25
| align="center" | 81
| align="center" | 24.29 ± 7.71
| align="center" | 13.51 ± 3.85
| align="center" | 2.32 ± 0.38
| align="center" | 1.94 ± 0.52
 
|-
| align="center" | 27
| align="center" | 40
| align="center" | 19.63 ± 4.34
| align="center" | 12.06 ± 2.98
| align="center" | 2.08 ± 0.35
| align="center" | 2.11 ± 0.46
 
|-
| align="center" | 29
| align="center" | 5
| align="center" | 17.12 ± 1.53
| align="center" | 10 ± 1.53
| align="center" | 1.9 ± 0.06
| align="center" | 2.27 ± 0.23
 
|-
| rowspan="3" | Omniscience (tilting disk)
| align="center" | 19
| align="center" | 2
| align="center" | 47.5 ± 3.5
| align="center" | 28 ± 1.4
| align="center" | &nbsp;
| align="center" | 0.81 ± 0.01
 
|-
| align="center" | 21
| align="center" | 5
| align="center" | 50.8 ± 2.8
| align="center" | 28.2 ± 2.17
| align="center" | &nbsp;
| align="center" | 0.87 ± 0.13
 
|-
| align="center" | 23
| align="center" | 8
| align="center" | 39.8 ± 8.7
| align="center" | 20.1 ± 5.1
| align="center" | &nbsp;
| align="center" | 0.98 ± 0.07
 
|-
| rowspan="5" | On-X (bileaflet)
| align="center" | 19
| align="center" | 6
| align="center" | 21.3 ± 10.8
| align="center" | 11.8 ± 3.4
| align="center" | &nbsp;
| align="center" | 1.5 ± 0.2
 
|-
| align="center" | 21
| align="center" | 11
| align="center" | 16.4 ± 5.9
| align="center" | 9.9 ± 3.6
| align="center" | &nbsp;
| align="center" | 1.7 ± 0.4
 
|-
| align="center" | 23
| align="center" | 23
| align="center" | 15.9 ± 6.4
| align="center" | 8.5 ± 3.3
| align="center" | &nbsp;
| align="center" | 2 ± 0.6
 
|-
| align="center" | 25
| align="center" | 12
| align="center" | 16.5 ± 10.2
| align="center" | 9 ± 5.3
| align="center" | &nbsp;
| align="center" | 2.4 ± 0.8
 
|-
| align="center" | 27&ndash;29
| align="center" | 8
| align="center" | 11.4 ± 4.6
| align="center" | 5.6 ± 2.7
| align="center" | &nbsp;
| align="center" | 3.2 ± 0.6
 
|-
| rowspan="6" | Sorin Allcarbon (tilting disk)
| align="center" | 19
| align="center" | 7
| align="center" | 44 ± 7
| align="center" | 29 ± 8
| align="center" | 3.3 ± 0.3
| align="center" | 0.9 ± 0.1
 
|-
| align="center" | 21
| align="center" | 25
| align="center" | 36.52 ± 9.61
| align="center" | 21.07 ± 6.72
| align="center" | 2.93 + 0.2
| align="center" | 1.08 ± 0.19
 
|-
| align="center" | 23
| align="center" | 37
| align="center" | 34.97 ± 10.97
| align="center" | 18.72 ± 6.49
| align="center" | 2.9 ± 0.41
| align="center" | 1.31 ± 0.2
 
|-
| align="center" | 25
| align="center" | 23
| align="center" | 22 ± 4.68
| align="center" | 13.85 ± 3.97
| align="center" | 2.37 ± 0.23
| align="center" | 1.96 ± 0.71
 
|-
| align="center" | 27
| align="center" | 13
| align="center" | 16.3 ± 3.3
| align="center" | 10.15 ± 3.76
| align="center" | 2 ± 0.25
| align="center" | 2.51 ± 0.57
 
|-
| align="center" | 29
| align="center" | 4
| align="center" | 13 ± 4
| align="center" | 8 ± 2
| align="center" | 1.8 ± 0.3
| align="center" | 4.1 ± 0.7
 
|-
| rowspan="6" | Sorin Bicarbon (bileaflet)
| align="center" | 19
| align="center" | 19
| align="center" | 29.53 ± 4.46
| align="center" | 16.35 ± 1.99
| align="center" | 2.5 ± 0.1
| align="center" | 1.36 ± 0.13
 
|-
| align="center" | 21
| align="center" | 70
| align="center" | 24.52 ± 7.1
| align="center" | 12.54 ± 3.3
| align="center" | 2.46 ± 0.31
| align="center" | 1.46 ± 0.2
 
|-
| align="center" | 23
| align="center" | 71
| align="center" | 17.79 ± 6.1
| align="center" | 9.61 ± 3.3
| align="center" | 2.11 ± 0.24
| align="center" | 1.98 ± 0.23
 
|-
| align="center" | 25
| align="center" | 40
| align="center" | 18.46 ± 3.1
| align="center" | 10.05 ± 1.6
| align="center" | 2.25 ± 0.19
| align="center" | 2.39 ± 0.29
 
|-
| align="center" | 27
| align="center" | 8
| align="center" | 12 ± 3.25
| align="center" | 7 ± 1.5
| align="center" | 1.73 ± 0.21
| align="center" | 3.06 ± 0.47
 
|-
| align="center" | 29
| align="center" | 4
| align="center" | 9 ± 1.25
| align="center" | 5 ± 0.5
| align="center" | 1.51 ± 0.1
| align="center" | 3.45 ± 0.02
 
|-
| Sorin Pericarbon (stentless bioprosthesis)
| align="center" | 23
| align="center" | 15
| align="center" | 39 ± 13
| align="center" | 25 ± 8
| align="center" | &nbsp;
| align="center" | 2.0
 
|-
| rowspan="7" | St. Jude Medical (bileaflet)
| align="center" | 19
| align="center" | 100
| align="center" | 35.17 ± 11.16
| align="center" | 18.96 ± 6.27
| align="center" | 2.86 ± 0.48
| align="center" | 1.01 ± 0.24
 
|-
| align="center" | 21
| align="center" | 207
| align="center" | 28.34 ± 9.94
| align="center" | 15.82 ± 5.67
| align="center" | 2.63 ± 0.48
| align="center" | 1.33 ± 0.32
 
|-
| align="center" | 23
| align="center" | 236
| align="center" | 25.28 ± 7.89
| align="center" | 13.77 ± 5.33
| align="center" | 2.57 ± 0.44
| align="center" | 1.6 ± 0.43
 
|-
| align="center" | 25
| align="center" | 169
| align="center" | 22.57 ± 7.68
| align="center" | 12.65 ± 5.14
| align="center" | 2.4 ± 0.45
| align="center" | 1.93 ± 0.45
 
|-
| align="center" | 27
| align="center" | 82
| align="center" | 19.85 ± 7.55
| align="center" | 11.18 ± 4.82
| align="center" | 2.24 ± 0.42
| align="center" | 2.35 ± 0.59
 
|-
| align="center" | 29
| align="center" | 18
| align="center" | 17.72 ± 6.42
| align="center" | 9.86 ± 2.9
| align="center" | 2 ± 0.1
| align="center" | 2.81 ± 0.57
 
|-
| align="center" | 31
| align="center" | 4
| align="center" | 16.0
| align="center" | 10 ± 6
| align="center" | 2.1 ± 0.6
| align="center" | 3.08 ± 1.09
 
|-
| rowspan="2" | St. Jude Medical Hemodynamic Plus (bileaflet)
| align="center" | 19
| align="center" | 19
| align="center" | 25.81 ± 7.52
| align="center" | 16.44 ± 3.57
| align="center" | &nbsp;
| align="center" | 1.65 ± 0.2
 
|-
| align="center" | 21
| align="center" | 30
| align="center" | 18.9 ± 7.31
| align="center" | 9.62 ± 3.37
| align="center" | &nbsp;
| align="center" | 2.15 ± 0.29
 
|-
| rowspan="7" | Starr-Edwards (ball-and-cage)
| align="center" | 21
| align="center" | 5
| align="center" | 29.0
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.0
 
|-
| align="center" | 22
| align="center" | 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 4
| align="center" | &nbsp;
 
|-
| align="center" | 23
| align="center" | 22
| align="center" | 32.6 ± 12.79
| align="center" | 21.98 ± 8.8
| align="center" | 3.5 ± 0.5
| align="center" | 1.1
 
|-
| align="center" | 24
| align="center" | 43
| align="center" | 34.13 ± 10.33
| align="center" | 22.09 ± 7.54
| align="center" | 3.35 ± 0.48
| align="center" | &nbsp;
 
|-
| align="center" | 26
| align="center" | 29
| align="center" | 31.83 ± 9.01
| align="center" | 19.69 ± 6.05
| align="center" | 3.18 ± 0.35
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 14
| align="center" | 30.82 ± 6.3
| align="center" | 18.5 ± 3.7
| align="center" | &nbsp;
| align="center" | 1.8
 
|-
| align="center" | 29
| align="center" | 8
| align="center" | 29 ± 9.3
| align="center" | 16.3 ± 5.5
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| rowspan="8" | Stentless porcine xenograft (stentless bioprosthesis)
| align="center" | 21
| align="center" | 3
| align="center" | 14 ± 5
| align="center" | 8.7 ± 3.5
| align="center" | &nbsp;
| align="center" | 1.33 ± 0.38
 
|-
| align="center" | 22
| align="center" | 3
| align="center" | 16 ± 5.6
| align="center" | 9.7 ± 3.7
| align="center" | &nbsp;
| align="center" | 1.32 ± 0.48
 
|-
| align="center" | 23
| align="center" | 4
| align="center" | 13 ± 4.8
| align="center" | 7.7 ± 2.3
| align="center" | &nbsp;
| align="center" | 1.59 ± 0.6
 
|-
| align="center" | 24
| align="center" | 3
| align="center" | 13 ± 3.8
| align="center" | 7.7 ± 2.2
| align="center" | &nbsp;
| align="center" | 1.4 ± 0.01
 
|-
| align="center" | 25
| align="center" | 6
| align="center" | 11.5 ± 7.1
| align="center" | 7.4 ± 4.5
| align="center" | &nbsp;
| align="center" | 2.13 ± 0.7
 
|-
| align="center" | 26
| align="center" | 3
| align="center" | 10.7
| align="center" | 7 ± 2.1
| align="center" | &nbsp;
| align="center" | 2.15 ± 0.2
 
|-
| align="center" | 27
| align="center" | 1
| align="center" | 9.2
| align="center" | 5.5
| align="center" | &nbsp;
| align="center" | 3.2
 
|-
| align="center" | 28
| align="center" | 1
| align="center" | 7.5
| align="center" | 4.1
| align="center" | &nbsp;
| align="center" | 2.3
 
|-
| rowspan="7" | Toronto stentless, porcine (stentless bioprosthesis)
| align="center" | 20
| align="center" | 1
| align="center" | 10.9
| align="center" | 4.6
| align="center" | &nbsp;
| align="center" | 1.3
 
|-
| align="center" | 21
| align="center" | 9
| align="center" | 18.64 ± 11.8
| align="center" | 7.56 ± 4.4
| align="center" | &nbsp;
| align="center" | 1.21 ± 0.7
 
|-
| align="center" | 22
| align="center" | 1
| align="center" | 23.0
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.2
 
|-
| align="center" | 23
| align="center" | 84
| align="center" | 13.55 ± 7.28
| align="center" | 7.08 ± 4.33
| align="center" | &nbsp;
| align="center" | 1.59 ± 0.84
 
|-
| align="center" | 25
| align="center" | 190
| align="center" | 12.17 ± 5.75
| align="center" | 6.2 ± 3.05
| align="center" | &nbsp;
| align="center" | 1.62 ± 0.4
 
|-
| align="center" | 27
| align="center" | 240
| align="center" | 9.96 ± 4.56
| align="center" | 4.8 ± 2.33
| align="center" | &nbsp;
| align="center" | 1.95 ± 0.42
 
|-
| align="center" | 29
| align="center" | 200
| align="center" | 7.91 ± 4.17
| align="center" | 3.94 ± 2.15
| align="center" | &nbsp;
| align="center" | 2.37 ± 0.67
 
|}
 
==Normal Doppler echocardiographic values for mitral valve prosthesis==
{| class="wikitable" style="font-size:90%;"
 
|+'''Normal Doppler echocardiographic values for mitral valve prosthesis'''
! style="width:200px" | Valve
! style="width:50px" | Size
! style="width:50px" | <em>n</em>
! style="width:100px" | Peak gradient<br/>(mm Hg)
! style="width:100px" | Mean gradient<br/>(mm Hg)
! style="width:100px" | Peak velocity<br/>(m/s)
! style="width:100px" | Pressure half-time<br/>(ms)
! style="width:100px" | Effective orifice area<br/>(cm<sup>2</sup>)
 
|-
| rowspan="4" | Biocor (stentless bioprosthesis)
| align="center" | 27
| align="center" | 3
| align="center" | 13 ± 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 3
| align="center" | 14 ± 2.5
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 8
| align="center" | 11.5 ± 0.5
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 33
| align="center" | 9
| align="center" | 12 ± 0.5
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| rowspan="4" | Bioflo pericardial (stented bioprosthesis)
| align="center" | 25
| align="center" | 3
| align="center" | 10 ± 2
| align="center" | 6.3 ± 1.5
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2 ± 0.1
 
|-
| align="center" | 27
| align="center" | 3
| align="center" | 9.5 ± 2.6
| align="center" | 5.4 ± 1.2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2 ± 0.3
 
|-
| align="center" | 29
| align="center" | 8
| align="center" | 5 ± 2.8
| align="center" | 3.6 ± 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.4 ± 0.2
 
|-
| align="center" | 31
| align="center" | 1
| align="center" | 4.0
| align="center" | 2.0
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.3
 
|-
| rowspan="5" | Björk-Shiley (tilting disk)
| align="center" | 23
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.7
| align="center" | 115
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 14
| align="center" | 12 ± 4
| align="center" | 6 ± 2
| align="center" | 1.75 ± 0.38
| align="center" | 99 ± 27
| align="center" | 1.72 ± 0.6
 
|-
| align="center" | 27
| align="center" | 34
| align="center" | 10 ± 4
| align="center" | 5 ± 2
| align="center" | 1.6 ± 0.49
| align="center" | 89 ± 28
| align="center" | 1.81 ± 0.54
 
|-
| align="center" | 29
| align="center" | 21
| align="center" | 7.83 ± 2.93
| align="center" | 2.83 ± 1.27
| align="center" | 1.37 ± 0.25
| align="center" | 79 ± 17
| align="center" | 2.1 ± 0.43
 
|-
| align="center" | 31
| align="center" | 21
| align="center" | 6 ± 3
| align="center" | 2 ± 1.9
| align="center" | 1.41 ± 0.26
| align="center" | 70 ± 14
| align="center" | 2.2 ± 0.3
 
|-
| rowspan="5" | Björk-Shiley monostrut (tilting disk)
| align="center" | 23
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 5.0
| align="center" | 1.9
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 102
| align="center" | 13 ± 2.5
| align="center" | 5.57 ± 2.3
| align="center" | 1.8 ± 0.3
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 83
| align="center" | 12 ± 2.5
| align="center" | 4.53 ± 2.2
| align="center" | 1.7 ± 0.4
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 26
| align="center" | 13 ± 3
| align="center" | 4.26 ± 1.6
| align="center" | 1.6 ± 0.3
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 25
| align="center" | 14 ± 4.5
| align="center" | 4.9 ± 1.6
| align="center" | 1.7 ± 0.3
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| rowspan="6" | Carbomedics (bileaflet)
| align="center" | 23
| align="center" | 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.9 ± 0.1
| align="center" | 126 ± 7
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 12
| align="center" | 10.3 ± 2.3
| align="center" | 3.6 ± 0.6
| align="center" | 1.3 ± 0.1
| align="center" | 93 ± 8
| align="center" | 2.9 + 0.8
 
|-
| align="center" | 27
| align="center" | 78
| align="center" | 8.79 ± 3.46
| align="center" | 3.46 ± 1.03
| align="center" | 1.61 ± 0.3
| align="center" | 89 ± 20
| align="center" | 2.9 + 0.75
 
|-
| align="center" | 29
| align="center" | 46
| align="center" | 8.78 ± 2.9
| align="center" | 3.39 ± 0.97
| align="center" | 1.52 ± 0.3
| align="center" | 88 ± 17
| align="center" | 2.3 + 0.4
 
|-
| align="center" | 31
| align="center" | 57
| align="center" | 8.87 ± 2.34
| align="center" | 3.32 ± 0.87
| align="center" | 1.01 ± 0.29
| align="center" | 92 ± 24
| align="center" | 2.8 + 1.14
 
|-
| align="center" | 33
| align="center" | 33
| align="center" | 8.8 ± 2.2
| align="center" | 4.8 ± 2.5
| align="center" | 1.5 ± 0.2
| align="center" | 93 ± 12
| align="center" | &nbsp;
 
|-
| rowspan="4" | Carpentier-Edwards (stented bioprosthesis)
| align="center" | 27
| align="center" | 16
| align="center" | &nbsp;
| align="center" | 6 ± 2
| align="center" | 1.7 ± 0.3
| align="center" | 98 ± 28
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 22
| align="center" | &nbsp;
| align="center" | 4.7 ± 2
| align="center" | 1.76 ± 0.27
| align="center" | 92 ± 14
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 22
| align="center" | &nbsp;
| align="center" | 4.4 ± 2
| align="center" | 1.54 ± 0.15
| align="center" | 92 ± 19
| align="center" | &nbsp;
 
|-
| align="center" | 33
| align="center" | 6
| align="center" | &nbsp;
| align="center" | 6 ± 3
| align="center" | &nbsp;
| align="center" | 93 ± 12
| align="center" | &nbsp;
 
|-
| rowspan="4" | Carpentier-Edwards pericardial(stented bioprosthesis)
| align="center" | 27
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 3.6
| align="center" | 1.6
| align="center" | 100
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 6
| align="center" | &nbsp;
| align="center" | 5.25 ± 2.36
| align="center" | 1.67 ± 0.3
| align="center" | 110 ± 15
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 4
| align="center" | &nbsp;
| align="center" | 4.05 ± 0.83
| align="center" | 1.53 ± 0.1
| align="center" | 90 ± 11
| align="center" | &nbsp;
 
|-
| align="center" | 33
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 1.0
| align="center" | 0.8
| align="center" | 80
| align="center" | &nbsp;
 
|-
| rowspan="4" | Duromedics (bileaflet)
| align="center" | 27
| align="center" | 8
| align="center" | 13 ± 6
| align="center" | 5 ± 3
| align="center" | &nbsp;
| align="center" | 75 ± 12
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 14
| align="center" | 10 ± 4
| align="center" | 3 ± 1
| align="center" | 161 ± 40
| align="center" | 85 ± 22
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 21
| align="center" | 10.5 ± 4.37
| align="center" | 3.3 ± 1.36
| align="center" | 140 ± 25
| align="center" | 81 ± 12
| align="center" | &nbsp;
 
|-
| align="center" | 33
| align="center" | 1
| align="center" | 11.2
| align="center" | 2.5
| align="center" | 138 ± 27
| align="center" | 85
| align="center" | &nbsp;
 
|-
| rowspan="4" | Hancock I or not specified (stented bioprosthesis)
| align="center" | 27
| align="center" | 3
| align="center" | 10 ± 4
| align="center" | 5 ± 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.3 ± 0.8
 
|-
| align="center" | 29
| align="center" | 13
| align="center" | 7 ± 3
| align="center" | 2.46 ± 0.79
| align="center" | &nbsp;
| align="center" | 115 ± 20
| align="center" | 1.5 ± 0.2
 
|-
| align="center" | 31
| align="center" | 22
| align="center" | 4 ± 086
| align="center" | 4.86 ± 1.69
| align="center" | &nbsp;
| align="center" | 95 ± 17
| align="center" | 1.6 ± 0.2
 
|-
| align="center" | 33
| align="center" | 8
| align="center" | 3 ± 2
| align="center" | 3.87 ± 2
| align="center" | &nbsp;
| align="center" | 90 ± 12
| align="center" | 1.9 ± 0.2
 
|-
| rowspan="4" | Hancock II (stented bioprosthesis)
| align="center" | 27
| align="center" | 16
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.21 ± 0.14
 
|-
| align="center" | 29
| align="center" | 64
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.77 ± 0.11
 
|-
| align="center" | 31
| align="center" | 90
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.84 ± 0.1
 
|-
| align="center" | 33
| align="center" | 25
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 3.15 ± 0.22
 
|-
| rowspan="2" | Hancock pericardial (stented bioprosthesis)
| align="center" | 29
| align="center" | 14
| align="center" | &nbsp;
| align="center" | 2.61 ± 1.39
| align="center" | 1.42 ± 0.14
| align="center" | 105 ± 36
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 8
| align="center" | &nbsp;
| align="center" | 3.57 ± 1.02
| align="center" | 1.51 ± 0.27
| align="center" | 81 ± 23
| align="center" | &nbsp;
 
|-
| rowspan="4" | Ionescu-Shiley (stented bioprosthesis)
| align="center" | 25
| align="center" | 3
| align="center" | &nbsp;
| align="center" | 4.87 ± 1.08
| align="center" | 1.43 ± 0.15
| align="center" | 93 ± 11
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 4
| align="center" | &nbsp;
| align="center" | 3.21 ± 0.82
| align="center" | 1.31 ± 0.24
| align="center" | 100 ± 28
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 6
| align="center" | &nbsp;
| align="center" | 3.22 ± 0.57
| align="center" | 1.38 ± 0.2
| align="center" | 85 ± 8
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 4
| align="center" | &nbsp;
| align="center" | 3.63 ± 0.9
| align="center" | 1.45 ± 0.06
| align="center" | 100 ± 36
| align="center" | &nbsp;
 
|-
| rowspan="2" | Ionescu-Shiley low profile (stented bioprosthesis)
| align="center" | 29
| align="center" | 13
| align="center" | &nbsp;
| align="center" | 3.31 ± 0.96
| align="center" | 1.36 ± 0.25
| align="center" | 80 ± 30
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 10
| align="center" | &nbsp;
| align="center" | 2.74 ± 0.37
| align="center" | 1.33 ± 0.14
| align="center" | 79 ± 15
| align="center" | &nbsp;
 
|-
| rowspan="3" | Labcor-Santiago pericardial (stented bioprosthesis)
| align="center" | 25
| align="center" | 1
| align="center" | 8.7
| align="center" | 4.5
| align="center" | &nbsp;
| align="center" | 97
| align="center" | 2.2
 
|-
| align="center" | 27
| align="center" | 16
| align="center" | 5.6 ± 2.3
| align="center" | 2.8 ± 1.5
| align="center" | &nbsp;
| align="center" | 85 ± 18
| align="center" | 2.12 ± 0.48
 
|-
| align="center" | 29
| align="center" | 20
| align="center" | 6.2 ± 2.1
| align="center" | 3 ± 1.3
| align="center" | &nbsp;
| align="center" | 80 ± 34
| align="center" | 2.11 ± 0.73
 
|-
| rowspan="4" | Lillehei-Kaster (tilting disk)
| align="center" | 18
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.7
| align="center" | 140
| align="center" | &nbsp;
 
|-
| align="center" | 20
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.7
| align="center" | 67
| align="center" | &nbsp;
 
|-
| align="center" | 22
| align="center" | 4
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.56 ± 0.09
| align="center" | 94 ± 22
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 5
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.38 ± 0.27
| align="center" | 124 ± 46
| align="center" | &nbsp;
 
|-
| rowspan="3" | Medtronic-Hall (tilting disk)
| align="center" | 27
| align="center" | 1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.4
| align="center" | 78
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 5
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.57 ± 0.1
| align="center" | 69 ± 15
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 7
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.45 ± 0.12
| align="center" | 77 ± 17
| align="center" | &nbsp;
 
|-
| rowspan="4" | Medtronic Intact, porcine (stented prosthesis)
| align="center" | 29
| align="center" | 3
| align="center" | &nbsp;
| align="center" | 3.5 ± 0.51
| align="center" | 1.6 ± 0.22
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 14
| align="center" | &nbsp;
| align="center" | 4.2 ± 1.44
| align="center" | 1.6 ± 0.26
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 33
| align="center" | 13
| align="center" | &nbsp;
| align="center" | 4 ± 1.3
| align="center" | 1.4 ± 0.24
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 35
| align="center" | 2
| align="center" | &nbsp;
| align="center" | 3.2 ± 1.77
| align="center" | 1.3 ± 0.5
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| rowspan="4" | Mitroflow (stented bioprosthesis)
| align="center" | 25
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 6.9
| align="center" | 2.0
| align="center" | 90
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 3
| align="center" | &nbsp;
| align="center" | 3.07 ± 0.91
| align="center" | 1.5
| align="center" | 90 ± 20
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 15
| align="center" | &nbsp;
| align="center" | 3.5 ± 1.65
| align="center" | 1.43 ± 0.29
| align="center" | 102 ± 21
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 5
| align="center" | &nbsp;
| align="center" | 3.85 ± 0.81
| align="center" | 1.32 ± 0.26
| align="center" | 91 ± 22
| align="center" | &nbsp;
 
|-
| rowspan="6" | Omnicarbon (tilting disk)
| align="center" | 23
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 8.0
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| align="center" | 25
| align="center" | 16
| align="center" | &nbsp;
| align="center" | 6.05 ± 1.81
| align="center" | 1.77 ± 0.24
| align="center" | 102 ± 16
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 29
| align="center" | &nbsp;
| align="center" | 4.89 ± 2.05
| align="center" | 1.63 ± 0.36
| align="center" | 105 ± 33
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 34
| align="center" | &nbsp;
| align="center" | 4.93 ± 2.16
| align="center" | 1.56 ± 0.27
| align="center" | 120 ± 40
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 58
| align="center" | &nbsp;
| align="center" | 4.18 ± 1.4
| align="center" | 1.3 ± 0.23
| align="center" | 134 ± 31
| align="center" | &nbsp;
 
|-
| align="center" | 33
| align="center" | 2
| align="center" | &nbsp;
| align="center" | 4 ± 2
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | &nbsp;
 
|-
| rowspan="3" | On-X (bileaflet)
| align="center" | 25
| align="center" | 3
| align="center" | 11.5 ± 3.2
| align="center" | 5.3 ± 2.1
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.9 ± 1.1
 
|-
| align="center" | 27&ndash;29
| align="center" | 16
| align="center" | 10.3 ± 4.5
| align="center" | 4.5 ± 1.6
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.2 ± 0.5
 
|-
| align="center" | 31&ndash;33
| align="center" | 14
| align="center" | 9.8 ± 3.8
| align="center" | 4.8 ± 2.4
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.5 ± 1.1
 
|-
| rowspan="4" | Sorin Allcarbon (tilting disk)
| align="center" | 25
| align="center" | 8
| align="center" | 15 ± 3
| align="center" | 5 ± 1
| align="center" | 2 ± 0.2
| align="center" | 105 ± 29
| align="center" | 2.2 ± 0.6
 
|-
| align="center" | 27
| align="center" | 20
| align="center" | 13 ± 2
| align="center" | 4 ± 1
| align="center" | 1.8 ± 0.1
| align="center" | 89 ± 14
| align="center" | 2.5 ± 0.5
 
|-
| align="center" | 29
| align="center" | 34
| align="center" | 10 ± 2
| align="center" | 4 ± 1
| align="center" | 1.6 ± 0.2
| align="center" | 85 ± 23
| align="center" | 2.8 ± 0.7
 
|-
| align="center" | 31
| align="center" | 11
| align="center" | 9 ± 1
| align="center" | 4 ± 1
| align="center" | 1.6 ± 0.1
| align="center" | 88 ± 27
| align="center" | 2.8 ± 0.9
 
|-
| rowspan="4" | Sorin Bicarbon (bileaflet)
| align="center" | 25
| align="center" | 3
| align="center" | 15 ± 0.25
| align="center" | 4 ± 0.5
| align="center" | 1.95 ± 0.02
| align="center" | 70 ± 1
| align="center" | &nbsp;
 
|-
| align="center" | 27
| align="center" | 25
| align="center" | 11 ± 2.75
| align="center" | 4 ± 0.5
| align="center" | 1.65 ± 0.21
| align="center" | 82 ± 20
| align="center" | &nbsp;
 
|-
| align="center" | 29
| align="center" | 30
| align="center" | 12 ± 3
| align="center" | 4 ± 1.25
| align="center" | 1.73 ± 0.22
| align="center" | 80 ± 14
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 9
| align="center" | 10 ± 1.5
| align="center" | 4 ± 1
| align="center" | 1.66 ± 0.11
| align="center" | 83 ± 14
| align="center" | &nbsp;
 
|-
| rowspan="5" | St. Jude Medical (bileaflet)
| align="center" | 23
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 4.0
| align="center" | 1.5
| align="center" | 160
| align="center" | 1.0
 
|-
| align="center" | 25
| align="center" | 4
| align="center" | &nbsp;
| align="center" | 2.5 ± 1
| align="center" | 1.34 ± 1.12
| align="center" | 75 ± 4
| align="center" | 1.35 ± 0.17
 
|-
| align="center" | 27
| align="center" | 16
| align="center" | 11 ± 4
| align="center" | 5 ± 1.82
| align="center" | 1.61 ± 0.29
| align="center" | 75 ± 10
| align="center" | 1.67 ± 0.17
 
|-
| align="center" | 29
| align="center" | 40
| align="center" | 10 ± 3
| align="center" | 4.15 ± 1.8
| align="center" | 1.57 ± 0.29
| align="center" | 85 ± 10
| align="center" | 1.75 ± 0.24
 
|-
| align="center" | 31
| align="center" | 41
| align="center" | 12 ± 6
| align="center" | 4.46 ± 2.22
| align="center" | 1.59 ± 0.33
| align="center" | 74 ± 13
| align="center" | 2.03 ± 0.32
 
|-
| rowspan="5" | Starr-Edwards (ball-and-cage)
| align="center" | 26
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 10.0
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.4
 
|-
| align="center" | 28
| align="center" | 27
| align="center" | &nbsp;
| align="center" | 7 ± 2.75
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.9 ± 0.57
 
|-
| align="center" | 30
| align="center" | 25
| align="center" | 12.2 ± 4.6
| align="center" | 6.99 ± 2.5
| align="center" | 1.7 ± 0.3
| align="center" | 125 ± 25
| align="center" | 1.65 ± 0.4
 
|-
| align="center" | 32
| align="center" | 17
| align="center" | 11.5 ± 4.2
| align="center" | 5.08 ± 2.5
| align="center" | 1.7 ± 0.3
| align="center" | 110 ± 25
| align="center" | 1.95 ± 0.4
 
|-
| align="center" | 34
| align="center" | 1
| align="center" | &nbsp;
| align="center" | 5.0
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 2.6
 
|-
| rowspan="3" | Stentless quadrileaflet bovine pericardial (stentless bioprosthesis)
| align="center" | 26
| align="center" | 2
| align="center" | &nbsp;
| align="center" | 2.2 ± 1.7
| align="center" | 1.6
| align="center" | 103 ± 31
| align="center" | 1.7
 
|-
| align="center" | 28
| align="center" | 14
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.58 ± 0.25
| align="center" | &nbsp;
| align="center" | 1.7 ± 0.6
 
|-
| align="center" | 30
| align="center" | 6
| align="center" | &nbsp;
| align="center" | &nbsp;
| align="center" | 1.42 ± 0.32
| align="center" | &nbsp;
| align="center" | 2.3 ± 0.4
 
|-
| rowspan="2" | Wessex (stented bioprosthesis)
| align="center" | 29
| align="center" | 9
| align="center" | &nbsp;
| align="center" | 3.69 ± 0.61
| align="center" | 1.66 ± 0.17
| align="center" | 83 ± 19
| align="center" | &nbsp;
 
|-
| align="center" | 31
| align="center" | 22
| align="center" | &nbsp;
| align="center" | 3.31 ± 0.83
| align="center" | 1.41 ± 0.25
| align="center" | 80 ± 21
| align="center" | &nbsp;
 
|}
 
==Transesophageal Echocardiographic Anatomy==
{| class="wikitable" style="font-size:90%;"
 
|+'''Transesophageal Echocardiographic Anatomy'''
! ME two-chamber
| Probe adjustment: neutral
| Sector depth: ~14 cm
 
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>LA appendage</li>
      <li>Mass/thrombus</li>
      <li>LV apex pathology</li>
      <li>LV systolic dysfunction (apical segments)</li>
  </ul>
 
| valign="top" | Required structures
  <ul>
      <li>LA appendage</li>
      <li>Mitral valve</li>
      <li>LV apex (i.e., maximal LV length)</li>
  </ul>
 
|-
! ME LAX
| Probe adjustment: neutral
| Sector depth: ~12 cm
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>Mitral valve pathology</li>
      <li>LVOT pathology</li>
  </ul>
 
| valign="top" | Required structures
  <ul>
      <li>LV</li>
      <li>Mitral valve</li>
      <li>LVOT</li>
  </ul>
 
|-
! ME mitral commissural
| Probe adjustment: neutral
| Sector depth: ~12 cm
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>Localization of mitral valve pathology</li>
  </ul>
 
| valign="top" | Required structures
  <ul>
      <li>Mitral valve (P<sub>1</sub>, P<sub>3</sub> and A<sub>2</sub> scallops)</li>
      <li>Papillary muscles/chordae tendineae</li>
      <li>LA</li>
      <li>LV</li>
  </ul>
 
|-
! TG mid-SAX
| Probe adjustment: neutral
| Sector depth: ~12 cm
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>Hemodynamic instability</li>
      <li>LV enlargement</li>
      <li>LV hypertrophy</li>
      <li>LV systolic dysfunction (global and regional)</li>
  </ul>
 
| valign="top" | Required structures
  <ul>
      <li>LV cavity</li>
      <li>LV walls (at least 50% of circumference with visible endocardium)</li>
      <li>Papillary muscles (approximately equal in size and distinct from ventricular wall)</li>
  </ul>
 
|-
! TG two-chamber
| Probe adjustment: neutral
| Sector depth: ~12 cm
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>LV systolic dysfunction (anterior and inferior basal segments)</li>
  </ul>
 
| valign="top" | Required structures
  <ul>
      <li>Mitral leaflets</li>
      <li>Mitral subvalvular apparatus</li>
      <li>LV (anterior and inferior: basal plus mild segments)</li>
  </ul>
 
|-
! TG RV inflow
| Probe adjustment: neutral-rightward
| Sector depth: ~12 cm
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>RV systolic dysfunction</li>
      <li>Tricuspid valve pathology</li>
  </ul>
 
| valign="top" | Required structures
  <ul>
      <li>Tricuspid leaflets</li>
      <li>Tricuspid subvalvular apparatus</li>
  </ul>
 
|-
! TG RV inflow-outflow
| Probe adjustment: neutral-rightward
| Sector depth: ~14 cm
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>RV systolic dysfunction</li>
      <li>RVOT pathology</li>
      <li>Pulmonary artery pathology</li>
      <li>Pulmonic valve evaluation</li>
  </ul>
 
| valign="top" | Required structures
  <ul>
      <li>RA</li>
      <li>RV</li>
      <li>Main pulmonary artery</li>
      <li>Pulmonic valve</li>
  </ul>
 
|-
! TG basal SAX
| Probe adjustment: neutral
| Sector depth: ~12 cm
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>LV systolic dysfunction (basal segments)</li>
      <li>Mitral valve pathology</li>
  </ul>


{{IncludeFlash
| valign="top" | Required structures
|flash_string=<flash>file=MM0004.swf|quality=best|align=center|width=200|height=200</flash>
  <ul>
|Description=4c rv
      <li>Mitral leaflets</li>
|file_name=MM0004
      <li>Mitral subvalvular apparatus</li>
}}
      <li>LV (basal segments)</li>
  </ul>


{{IncludeFlash
|-
|flash_string=<flash>file=MM0005.jpg|quality=best|align=center|width=200|height=200</flash>
! TG LAX
|Description=ao asc
| Probe adjustment: neutral-leftward
|file_name=MM0005.jpg
| Sector depth: ~12 cm
}}
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>LV systolic dysfunction (anteroseptal and posterior: basal segments)</li>
      <li>Doppler evaluation of aortic valve</li>
  </ul>


{{IncludeFlash
| valign="top" | Required structures
|flash_string=<flash>file=MM0006.swf|quality=best|align=center|width=200|height=200</flash>
  <ul>
|Description=pla col
      <li>Mitral leaflets</li>
|file_name=MM0006
      <li>Mitral subvalvular apparatus</li>
}}
      <li>LV (anteroseptal and posterior: basal plus midsegments)</li>
      <li>Aortic valve</li>
  </ul>


{{IncludeFlash
|-
|flash_string=<flash>file=MM0007.swf|quality=best|align=center|width=200|height=200</flash>
! Deep TG LAX
|Description=plax
| Probe adjustment: neutral
|file_name=MM0007
| Sector depth: ~16 cm
}}
|-
| image
| valign="top" | Primary diagnostic issues
  <ul>
      <li>Aortic valve pathology</li>
      <li>LVOT pathology</li>
      <li>Doppler evaluation of aortic valve</li>
  </ul>


{{IncludeFlash
| valign="top" | Required structures
|flash_string=<flash>file=MM0008.swf|quality=best|align=center|width=200|height=200</flash>
  <ul>
|Description=sax basaal
      <li>LV</li>
|file_name=MM0008
      <li>Aortic valve</li>
}}
      <li>Aorta</li>
  </ul>


{{IncludeFlash
|-
|flash_string=<flash>file=MM0009.swf|quality=best|align=center|width=200|height=200</flash>
| colspan="3" |
|Description=sax pap
<ul>
|file_name=MM0009
<li>ME, midesophageal; Asc, ascending; SAX, short axis; LAX, long axis; UE, upper esophageal; Desc, descending; AV, aortic valve; RV, right ventricular; LVOT, left ventricular outflow tract; RA, right atrium; LA, left atrium; LV, left ventricular; RVOT, right ventricular outflow tract; TG, transgastric.</li>
}}
<li>Modified from Miller JP, Lambert SA, Shapiro WA, et al. The adequacy of basic intraoperative transesophageal echocardiography performed by experienced anesthesiologist. <em>Anesth Analg</em> 2001;92:1103&ndash;1110, with permission.</li>
</ul>
|}


{{IncludeFlash
[[File:deep TG LAX.svg|thumb|left|300px]]
|flash_string=<flash>file=MM0010.swf|quality=best|align=center|width=200|height=200</flash>
[[File:desc aortic LAX.svg|thumb|left|300px]]
|Description=subcos
[[File:desc aortic SAX.svg|thumb|left|300px]]
|file_name=MM0010
[[File:ME asc aortic LAX.svg|thumb|left|300px]]
}}
[[File:ME asc aortic SAX.svg|thumb|left|300px]]
[[File:ME AV LAX.svg|thumb|left|300px]]
[[File:ME AV SAX.svg|thumb|left|300px]]
[[File:ME bicaval.svg|thumb|left|300px]]
[[File:ME four chamber.svg|thumb|left|300px]]
[[File:ME LAX.svg|thumb|left|300px]]
[[File:ME mitral commissural.svg|thumb|left|300px]]
[[File:ME RV inflow-outflow.svg|thumb|left|300px]]
[[File:ME two-chamber.svg|thumb|left|300px]]
[[File:TEE coronary region.svg|thumb|left|300px]]
[[File:TEE LV Sections.svg|thumb|left|300px]]
[[File:TEE mitral valve.svg|thumb|left|300px]]
[[File:TEE mitral valve2.svg|thumb|left|300px]]
[[File:TG basal SAX.svg|thumb|left|300px]]
[[File:TG LAX.svg|thumb|left|300px]]
[[File:TG mid SAX.svg|thumb|left|300px]]
[[File:TG RV inflow-outflow.svg|thumb|left|300px]]
[[File:TG RV inflow.svg|thumb|left|300px]]
[[File:TG two-chamber.svg|thumb|left|300px]]
[[File:UE aortic arch LAX.svg|thumb|left|300px]]
[[File:UE aortic arch SAX.svg|thumb|left|300px]]

Latest revision as of 18:02, 13 October 2010

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<flash>file=MM0099.swf
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Reference values for normal adult TEE measurements

Reference values for normal adult TEE measurements
Parameter   Mean ± SD (mm) Range (mm)
  Right pulmonary artery diametera 17 ± 3 12-22
Left upper pulmonary vein diameter 11 ± 2 7-16
Left atrial appendage Length 28 ± 5 15-43
Diameter 16 ± 5 10-28
Superior vena cava diameter 15 ± 3 8-20
Right ventricular outflow tract diameterb 27 ± 4 16-36
Left atriumc Anteroposterior diameter 38 ± 6 20-52
Medial-lateral diameter 39 ± 7 24-52
Right atriumc Anteroposterior diameter 38 ± 5 28-52
Medial-lateral diameter 38 ± 6 29-53
Tricuspid annular diameterc 28 ± 5 20-40
Mitral annular diameterc 29 ± 4 20-38
Coronary sinus diameter 6.6 ± 1.5 4-10
Left ventricled Anteroposterior diameter (diastole) 43 ± 7 33-55
Medial-lateral diameter (diastole) 42 ± 7 23-54
Anteroposterior diameter (systole) 28 ± 6 18-40
Medial-lateral diameter (systole) 27 ± 6 18-42
Aortic root diameterb 28 ± 3 21-34
Descending thoracic aorta diameter Proximal 21 ± 4 14-30
Distal 20 ± 4 13-28
  • aRight pulmonary artery diameter measured in midesophageal ascending aorta short-axis view.
  • bAortic root and right ventricular outflow tract diameters measured in the midesophageal right ventricular inflow/outflow tract view.
  • cAtrial (end-systole) and both mitral and tricuspid annular (mid-diastole) diameters measured in the midesophageal four-chamber view.
  • dLeft ventricular dimensions measured in transgastric mid short-axis view.
  • SD, standard deviation.
  • Adapted from Cohen G, White M, Sochowski R, et al. Reference values for normal transesophageal measurements. J Am Soc Echocardiogr 1995;8:221-230.


Normal Doppler echocardiographic values of aortic valve prosthesis

Normal Doppler echocardiographic values of aortic valve prosthesis
Valve Size n Peak gradient
(mm Hg)
Mean gradient
(mm Hg)
Peak velocity
(m/s)
Effective orifice area
(cm2)
ATS open pivot AP ATS open pivot (bileaflet) 16 6 47.7 ± 12 27 ± 7.3 3.44 ± 0.47 0.61 ± 0.09
19 9 47 ± 12.6 26.2 ± 7.9 3.41 ± 0.43 0.96 ± 0.18
21 15 25.5 ± 6.1 14.4 ± 3.5 2.4 ± 0.39 1.58 ± 0.37
23 8 19 ± 7 12 ± 4   1.8 ± 0.2
25 12 17 ± 8 11 ± 4   2.2 ± 0.4
27 10 14 ± 4 9 ± 2   2.5 ± 0.3
29 5 11 ± 3 8 ± 2   3.1 ± 0.3
Biocor stentless (stentless bioprosthesis) 21 45 35.97 ± 4.06 18 ± 4    
23 115 29.15 ± 8.28 18.64 ± 7.14 3 ± 0.6 1.4 ± 0.5
25 100 28.65 ± 6.6 17.72 ± 6.99 2.8 ± 0.5 1.6 ± 0.38
27 55 25.87 ± 2.81 18 ± 2.8 2.7 ± 0.2 1.9 ± 0.46
≥29 16 24 ± 2      
Biocor extended stentless (stentless bioprosthesis) 19–21 12 17.5 ± 5.8 9.7 ± 3.5   1.3 ± 0.4
23 18 14.8 ± 5.9 8.1 ± 3.1   1.6 ± 0.3
25 20 14.2 ± 3.5 7.7 ± 1.9   1.8 ± 0.3
Bioflo pericardial (stented bioprosthesis) 19 16 37.25 ± 8.65 24.15 ± 5.1   0.77 ± 0.11
21 9 28.7 ± 6.2 18.7 ± 5.5   1.1 ± 0.1
23 4 20.7 ± 4 125 ± 3   1.3 ± 0.09
Björk-Shiley monostrut (tilting disk) 19 37 46.0 26.67 ± 7.87 3.3 ± 0.6 0.94 ± 0.19
21 161 32.41 ± 9.73 18.64 ± 6.09 2.9 ± 0.4  
23 153 26.52 ± 9.67 14.5 ± 6.2 2.7 ± 0.5  
25 89 22.33 ± 7 13.3 ± 4.96 2.5 ± 0.4  
27 61 18.31 ± 8 10.41 ± 4.38 2.1 ± 0.4  
29 9 12 ± 8 7.67 ± 4.36 1.9 ± 0.2  
Björk-Shiley spherical (tilting disk) or not specified 17 1     4.1  
19 2 27.0 21.8 ± 3.4 3.8 1.1
21 18 38.94 ± 11.93 17.34 ± 6.86 2.92 ± 0.88 1.1 ± 0.25
23 41 33.86 ± 11 11.5 ± 4.55 2.42 ± 0.4 1.22 ± 0.23
25 39 20.39 ± 7.07 10.67 ± 4.31 2.06 ± 0.28 1.8 ± 0.32
27 23 19.44 ± 7.99   1.77 ± 0.12 2.6
29 5 21.1 ± 7.1   1.87 ± 0.18 2.52 ± 0.69
31 2     2.1 ± 0.14  
Carbomedics (bileaflet) 17 7 33.4 ± 13.2 20.1 ± 7.1   1.02 ± 0.2
19 63 33.3 ± 11.19 11.61 ± 5.08 3.09 ± 0.38 1.25 ± 0.36
21 111 26.31 ± 10.25 12.68 ± 4.29 2.61 ± 0.51 1.42 ± 0.36
23 120 24.61 ± 6.93 11.33 ± 3.8 2.42 ± 0.37 1.69 ± 0.29
25 103 20.25 ± 8.69 9.34 ± 4.65 2.25 ± 0.34 2.04 ± 0.37
27 57 19.05 ± 7.04 8.41 ± 2.83 2.18 ± 0.36 2.55 ± 0.34
29 6 12.53 ± 4.69 5.8 ± 3.2 1.93 ± 0.25 2.63 ± 0.38
Carbomedics reduced (bileaflet) 19 10 43.4 ± 1.8 24.4 ± 1.2   1.22 ± 0.08
Carbomedics supraannular top hat (bileaflet) 19 4 29.04 ± 10.1 19.5 ± 2.12 1.8 1 ± 0.18
21 30 29.61 ± 8.93 16.59 ± 5.79 2.62 ± 0.35 1.18 ± 0.33
23 30 24.38 ± 7.53 13.29 ± 3.73 2.36 ± 0.55 1.37 ± 0.37
25 1 22.0 11.0 2.4  
Carpentier-Edwards (stented bioprosthesis) 19 56 43.48 ± 12.72 25.6 ± 8.02   0.85 ± 0.17
21 73 27.73 ± 7.6 17.25 ± 6.24 2.37 ± 0.54 1.48 ± 0.3
23 100 28.93 ± 7.49 15.92 ± 6.43 2.76 ± 0.4 1.69 ± 0.45
25 85 23.95 ± 7.05 12.76 ± 4.43 2.38 ± 0.47 1.94 ± 0.45
27 50 22.14 ± 8.24 12.33 ± 5.59 2.31 ± 0.39 2.25 ± 0.55
29 24 22.0 9.92 ± 2.9 2.44 ± 0.43 2.84 ± 0.51
31 4     2.41 ± 0.13  
Carpentier-Edwards pericardial (stented prosthesis) 19 14 32.13 ± 3.35 24.19 ± 8.6 2.83 ± 0.14 1.21 ± 0.31
21 34 25.69 ± 9.9 20.3 ± 9.08 2.59 ± 0.42 1.47 ± 0.36
23 20 21.72 ± 8.57 13.01 ± 5.27 2.29 ± 0.45 1.75 ± 0.28
25 5 16.46 ± 5.41 9.04 ± 2.27 2.02 ± 0.31  
27 1 19.2 5.6 1.6  
29 1 17.6 11.6 2.1  
Carpentier-Edwards supraannular AV (stented bioprosthesis) 19 15 34.1 ± 2.7   1.1 ± 0.09  
21 8 25 ± 8 14 ± 5   1.06 ± 0.16
CryoLife O'Brien stentless (stentless prothesis) 19 47   12 ± 4.8   1.25 ± 0.1
21 163   10.33 ± 2   1.57 ± 0.6
23 40   8.5   2.2
25 40   7.9   2.3
27 39   7.4   2.7
Duromedics (Tekna; bileaflet) 19 1     3.6  
21 3 19.08 ± 16 8.98 ± 5   1.3
23 12 19.87 ± 7 7 ± 2 2.64 ± 0.27  
25 18 21 ± 9 5 ± 2 2.34 ± 0.38  
27 15 22.5 ± 12 6 ± 3 1.88 ± 0.6  
29 1 13.0 3.4 2.1  
Edwards Prima stentless (stentless bioprosthesis) 19 7 30.9 ± 11.7 15.4 ± 7.4   1 ± 0.3
21 30 31.22 ± 17.35 16.36 ± 11.36   1.25 ± 0.29
23 62 23.39 ± 10.17 11.52 ± 5.26 2.8 ± 0.4 1.49 ± 0.46
25 97 19.74 ± 10.36 10.77 ± 9.32 2.7 ± 0.3 1.7 ± 0.55
27 46 15.9 ± 7.3 7.1 ± 3.7   2 ± 0.6
29 11 11.21 ± 8.6 5.03 ± 4.53   2.49 ± 0.52
Hancock I (stented bioprosthesis) 21 1     3.5  
23 14 19.09 ± 4.35 12.36 ± 3.82 2.94 ± 0.24  
25 26 17.61 ± 3.13 11 ± 2.85 2.36 ± 0.37  
27 20 18.11 ± 6.92 10 ± 3.46 2.4 ± 0.36  
29 2     2.23 ± 0.04  
31 1     2.0  
Hancock II (stented bioprosthesis) 21 39 20 ± 4 14.8 ± 4.1   1.23 ± 0.27
23 119 24.72 ± 5.73 16.64 ± 6.91   1.39 ± 0.23
25 114 20 ± 2 10.7 ± 3   1.47 ± 0.19
27 113 14 ± 3     1.55 ± 0.18
29 35 15 ± 3     1.6 ± 0.15
Ionescu-Shiley (stented bioprosthesis) 17 11 42.0 21.1 ± 3.21   0.86 ± 0.1
19 63 23.17 ± 6.58 20.44 ± 8.47 2.63 ± 0.32 1.15 ± 0.18
21 11 27.63 ± 8.34 15.1 ± 1.56 2.75 ± 0.25  
23 5 18.09 ± 6.49 9.9 ± 2.85 2.1 0.38  
25 1 18.0      
27 3 14.75 ± 2.17 8.97 ± 0.57 1.92 ± 0.14  
29 1 16.0 7.3 2.0  
Jyros bileaflet (bileaflet) 22 4 17.3 10.8   1.5
24 7 18.6 11.4   1.5
26 8 14.4 8.4   1.7
28 3 10.0 5.7   1.9
30 1 8.0 6.0   1.6
Lillehei-Kaster (tilting disk) 14 1     2.7  
16 2     3.43 ± 0.39  
18 2     2.85 ± 0.21  
20 1     1.7  
Medtronic Freestyle stentless (stentless bioprosthesis) 19 11   13.0    
21 85   7.99 ± 2.6   1.6 ± 0.32
23 141   7.24 ± 2.5   1.9 ± 0.5
25 164   5.35 ± 1.5   2.03 ± 0.41
27 105   4.72 ± 1.6   2.5 ± 0.47
Medtronic-Hall (tilting disk) 20 24 34.37 ± 13.06 17.08 ± 5.28 2.9 ± 0.4 1.21 ± 0.45
21 30 26.86 ± 10.54 14.1 ± 5.93 2.42 ± 0.36 1.08 ± 0.17
23 27 26.85 ± 8.85 13.5 ± 4.79 2.43 ± 0.59 1.36 ± 0.39
25 17 17.13 ± 7.04 9.53 ± 4.26 2.29 ± 0.5 1.9 ± 0.47
27 8 18.66 ± 9.71 8.66 ± 5.56 2.07 ± 0.53 1.9 ± 0.16
29 1     1.6  
Medtronic intact (stented bioprosthesis) 19 16 39.43 ± 15.4 23.71 ± 9.3 2.5  
21 55 33.9 ± 12.69 18.74 ± 8.03 2.73 ± 0.44 1.55 ± 0.39
23 110 31.27 ± 9.62 18.88 ± 6.17 2.74 ± 0.37 1.64 ± 0.37
25 41 27.34 ± 10.59 16.4 ± 6.05 2.6 ± 0.44 1.85 ± 0.25
27 16 25.27 ± 7.58 15 ± 3.94 2.51 ± 0.38 2.2 ± 0.17
29 5 31.0 15.6 ± 2.1 2.8 2.38 ± 0.54
Medtronic Mosaic, porcine (stented bioprosthesis) 21 51   12.43 ± 7.3   1.6 ± 0.7
23 121   12.47 ± 7.4   2.1 ± 0.8
25 71   10.08 ± 5.1   2.1 ± 1.6
27 30   9.0    
29 6   9.0    
Mitroflow (stented bioprosthesis) 19 4 18.7 ± 5.1 10.3 ± 3   1.13 ± 0.17
21 7 20.2 15.4 2.3  
23 5 14.04 ± 4.91 7.56 ± 3.38 1.85 ± 0.34  
25 2 17 ± 11.31 10.8 ± 6.51 2 ± 0.71  
27 3 13 ± 3 6.57 ± 1.7 1.8 ± 0.2  
O'Brien-Angell stentless (annular position; stentless bioprosthesis) 23     14.5 ± 7.77   1.15 ± 0.07
25 50   19 ± 12.72   1.12 ± 0.25
27     18 ± 12.72   1.55 ± 0.21
29     12 ± 7.07   2.05 ± 1.2
O'Brien-Angell stentless (supraannular position; stentless bioprosthesis) 23     9 ± 1.4   1.58 ± 0.58
25 50   7.5 ± 0.7   2.37 ± 0.18
27     8.5 ± 0.7   2.85 ± 0.87
29     7 ± 1.4   2.7 ± 0.42
Omnicarbon (tilting disk) 21 71 36.79 ± 12.59 19.4 ± 5.46 2.93 ± 0.47 1.25 ± 0.43
23 83 29.33 ± 9.67 17.98 ± 6.06 2.66 ± 0.44 1.49 ± 0.34
25 81 24.29 ± 7.71 13.51 ± 3.85 2.32 ± 0.38 1.94 ± 0.52
27 40 19.63 ± 4.34 12.06 ± 2.98 2.08 ± 0.35 2.11 ± 0.46
29 5 17.12 ± 1.53 10 ± 1.53 1.9 ± 0.06 2.27 ± 0.23
Omniscience (tilting disk) 19 2 47.5 ± 3.5 28 ± 1.4   0.81 ± 0.01
21 5 50.8 ± 2.8 28.2 ± 2.17   0.87 ± 0.13
23 8 39.8 ± 8.7 20.1 ± 5.1   0.98 ± 0.07
On-X (bileaflet) 19 6 21.3 ± 10.8 11.8 ± 3.4   1.5 ± 0.2
21 11 16.4 ± 5.9 9.9 ± 3.6   1.7 ± 0.4
23 23 15.9 ± 6.4 8.5 ± 3.3   2 ± 0.6
25 12 16.5 ± 10.2 9 ± 5.3   2.4 ± 0.8
27–29 8 11.4 ± 4.6 5.6 ± 2.7   3.2 ± 0.6
Sorin Allcarbon (tilting disk) 19 7 44 ± 7 29 ± 8 3.3 ± 0.3 0.9 ± 0.1
21 25 36.52 ± 9.61 21.07 ± 6.72 2.93 + 0.2 1.08 ± 0.19
23 37 34.97 ± 10.97 18.72 ± 6.49 2.9 ± 0.41 1.31 ± 0.2
25 23 22 ± 4.68 13.85 ± 3.97 2.37 ± 0.23 1.96 ± 0.71
27 13 16.3 ± 3.3 10.15 ± 3.76 2 ± 0.25 2.51 ± 0.57
29 4 13 ± 4 8 ± 2 1.8 ± 0.3 4.1 ± 0.7
Sorin Bicarbon (bileaflet) 19 19 29.53 ± 4.46 16.35 ± 1.99 2.5 ± 0.1 1.36 ± 0.13
21 70 24.52 ± 7.1 12.54 ± 3.3 2.46 ± 0.31 1.46 ± 0.2
23 71 17.79 ± 6.1 9.61 ± 3.3 2.11 ± 0.24 1.98 ± 0.23
25 40 18.46 ± 3.1 10.05 ± 1.6 2.25 ± 0.19 2.39 ± 0.29
27 8 12 ± 3.25 7 ± 1.5 1.73 ± 0.21 3.06 ± 0.47
29 4 9 ± 1.25 5 ± 0.5 1.51 ± 0.1 3.45 ± 0.02
Sorin Pericarbon (stentless bioprosthesis) 23 15 39 ± 13 25 ± 8   2.0
St. Jude Medical (bileaflet) 19 100 35.17 ± 11.16 18.96 ± 6.27 2.86 ± 0.48 1.01 ± 0.24
21 207 28.34 ± 9.94 15.82 ± 5.67 2.63 ± 0.48 1.33 ± 0.32
23 236 25.28 ± 7.89 13.77 ± 5.33 2.57 ± 0.44 1.6 ± 0.43
25 169 22.57 ± 7.68 12.65 ± 5.14 2.4 ± 0.45 1.93 ± 0.45
27 82 19.85 ± 7.55 11.18 ± 4.82 2.24 ± 0.42 2.35 ± 0.59
29 18 17.72 ± 6.42 9.86 ± 2.9 2 ± 0.1 2.81 ± 0.57
31 4 16.0 10 ± 6 2.1 ± 0.6 3.08 ± 1.09
St. Jude Medical Hemodynamic Plus (bileaflet) 19 19 25.81 ± 7.52 16.44 ± 3.57   1.65 ± 0.2
21 30 18.9 ± 7.31 9.62 ± 3.37   2.15 ± 0.29
Starr-Edwards (ball-and-cage) 21 5 29.0     1.0
22 2     4  
23 22 32.6 ± 12.79 21.98 ± 8.8 3.5 ± 0.5 1.1
24 43 34.13 ± 10.33 22.09 ± 7.54 3.35 ± 0.48  
26 29 31.83 ± 9.01 19.69 ± 6.05 3.18 ± 0.35  
27 14 30.82 ± 6.3 18.5 ± 3.7   1.8
29 8 29 ± 9.3 16.3 ± 5.5    
Stentless porcine xenograft (stentless bioprosthesis) 21 3 14 ± 5 8.7 ± 3.5   1.33 ± 0.38
22 3 16 ± 5.6 9.7 ± 3.7   1.32 ± 0.48
23 4 13 ± 4.8 7.7 ± 2.3   1.59 ± 0.6
24 3 13 ± 3.8 7.7 ± 2.2   1.4 ± 0.01
25 6 11.5 ± 7.1 7.4 ± 4.5   2.13 ± 0.7
26 3 10.7 7 ± 2.1   2.15 ± 0.2
27 1 9.2 5.5   3.2
28 1 7.5 4.1   2.3
Toronto stentless, porcine (stentless bioprosthesis) 20 1 10.9 4.6   1.3
21 9 18.64 ± 11.8 7.56 ± 4.4   1.21 ± 0.7
22 1 23.0     1.2
23 84 13.55 ± 7.28 7.08 ± 4.33   1.59 ± 0.84
25 190 12.17 ± 5.75 6.2 ± 3.05   1.62 ± 0.4
27 240 9.96 ± 4.56 4.8 ± 2.33   1.95 ± 0.42
29 200 7.91 ± 4.17 3.94 ± 2.15   2.37 ± 0.67

Normal Doppler echocardiographic values for mitral valve prosthesis

Normal Doppler echocardiographic values for mitral valve prosthesis
Valve Size n Peak gradient
(mm Hg)
Mean gradient
(mm Hg)
Peak velocity
(m/s)
Pressure half-time
(ms)
Effective orifice area
(cm2)
Biocor (stentless bioprosthesis) 27 3 13 ± 1        
29 3 14 ± 2.5        
31 8 11.5 ± 0.5        
33 9 12 ± 0.5        
Bioflo pericardial (stented bioprosthesis) 25 3 10 ± 2 6.3 ± 1.5     2 ± 0.1
27 3 9.5 ± 2.6 5.4 ± 1.2     2 ± 0.3
29 8 5 ± 2.8 3.6 ± 1     2.4 ± 0.2
31 1 4.0 2.0     2.3
Björk-Shiley (tilting disk) 23 1     1.7 115  
25 14 12 ± 4 6 ± 2 1.75 ± 0.38 99 ± 27 1.72 ± 0.6
27 34 10 ± 4 5 ± 2 1.6 ± 0.49 89 ± 28 1.81 ± 0.54
29 21 7.83 ± 2.93 2.83 ± 1.27 1.37 ± 0.25 79 ± 17 2.1 ± 0.43
31 21 6 ± 3 2 ± 1.9 1.41 ± 0.26 70 ± 14 2.2 ± 0.3
Björk-Shiley monostrut (tilting disk) 23 1   5.0 1.9    
25 102 13 ± 2.5 5.57 ± 2.3 1.8 ± 0.3    
27 83 12 ± 2.5 4.53 ± 2.2 1.7 ± 0.4    
29 26 13 ± 3 4.26 ± 1.6 1.6 ± 0.3    
31 25 14 ± 4.5 4.9 ± 1.6 1.7 ± 0.3    
Carbomedics (bileaflet) 23 2     1.9 ± 0.1 126 ± 7  
25 12 10.3 ± 2.3 3.6 ± 0.6 1.3 ± 0.1 93 ± 8 2.9 + 0.8
27 78 8.79 ± 3.46 3.46 ± 1.03 1.61 ± 0.3 89 ± 20 2.9 + 0.75
29 46 8.78 ± 2.9 3.39 ± 0.97 1.52 ± 0.3 88 ± 17 2.3 + 0.4
31 57 8.87 ± 2.34 3.32 ± 0.87 1.01 ± 0.29 92 ± 24 2.8 + 1.14
33 33 8.8 ± 2.2 4.8 ± 2.5 1.5 ± 0.2 93 ± 12  
Carpentier-Edwards (stented bioprosthesis) 27 16   6 ± 2 1.7 ± 0.3 98 ± 28  
29 22   4.7 ± 2 1.76 ± 0.27 92 ± 14  
31 22   4.4 ± 2 1.54 ± 0.15 92 ± 19  
33 6   6 ± 3   93 ± 12  
Carpentier-Edwards pericardial(stented bioprosthesis) 27 1   3.6 1.6 100  
29 6   5.25 ± 2.36 1.67 ± 0.3 110 ± 15  
31 4   4.05 ± 0.83 1.53 ± 0.1 90 ± 11  
33 1   1.0 0.8 80  
Duromedics (bileaflet) 27 8 13 ± 6 5 ± 3   75 ± 12  
29 14 10 ± 4 3 ± 1 161 ± 40 85 ± 22  
31 21 10.5 ± 4.37 3.3 ± 1.36 140 ± 25 81 ± 12  
33 1 11.2 2.5 138 ± 27 85  
Hancock I or not specified (stented bioprosthesis) 27 3 10 ± 4 5 ± 2     1.3 ± 0.8
29 13 7 ± 3 2.46 ± 0.79   115 ± 20 1.5 ± 0.2
31 22 4 ± 086 4.86 ± 1.69   95 ± 17 1.6 ± 0.2
33 8 3 ± 2 3.87 ± 2   90 ± 12 1.9 ± 0.2
Hancock II (stented bioprosthesis) 27 16         2.21 ± 0.14
29 64         2.77 ± 0.11
31 90         2.84 ± 0.1
33 25         3.15 ± 0.22
Hancock pericardial (stented bioprosthesis) 29 14   2.61 ± 1.39 1.42 ± 0.14 105 ± 36  
31 8   3.57 ± 1.02 1.51 ± 0.27 81 ± 23  
Ionescu-Shiley (stented bioprosthesis) 25 3   4.87 ± 1.08 1.43 ± 0.15 93 ± 11  
27 4   3.21 ± 0.82 1.31 ± 0.24 100 ± 28  
29 6   3.22 ± 0.57 1.38 ± 0.2 85 ± 8  
31 4   3.63 ± 0.9 1.45 ± 0.06 100 ± 36  
Ionescu-Shiley low profile (stented bioprosthesis) 29 13   3.31 ± 0.96 1.36 ± 0.25 80 ± 30  
31 10   2.74 ± 0.37 1.33 ± 0.14 79 ± 15  
Labcor-Santiago pericardial (stented bioprosthesis) 25 1 8.7 4.5   97 2.2
27 16 5.6 ± 2.3 2.8 ± 1.5   85 ± 18 2.12 ± 0.48
29 20 6.2 ± 2.1 3 ± 1.3   80 ± 34 2.11 ± 0.73
Lillehei-Kaster (tilting disk) 18 1     1.7 140  
20 1     1.7 67  
22 4     1.56 ± 0.09 94 ± 22  
25 5     1.38 ± 0.27 124 ± 46  
Medtronic-Hall (tilting disk) 27 1     1.4 78  
29 5     1.57 ± 0.1 69 ± 15  
31 7     1.45 ± 0.12 77 ± 17  
Medtronic Intact, porcine (stented prosthesis) 29 3   3.5 ± 0.51 1.6 ± 0.22    
31 14   4.2 ± 1.44 1.6 ± 0.26    
33 13   4 ± 1.3 1.4 ± 0.24    
35 2   3.2 ± 1.77 1.3 ± 0.5    
Mitroflow (stented bioprosthesis) 25 1   6.9 2.0 90  
27 3   3.07 ± 0.91 1.5 90 ± 20  
29 15   3.5 ± 1.65 1.43 ± 0.29 102 ± 21  
31 5   3.85 ± 0.81 1.32 ± 0.26 91 ± 22  
Omnicarbon (tilting disk) 23 1   8.0      
25 16   6.05 ± 1.81 1.77 ± 0.24 102 ± 16  
27 29   4.89 ± 2.05 1.63 ± 0.36 105 ± 33  
29 34   4.93 ± 2.16 1.56 ± 0.27 120 ± 40  
31 58   4.18 ± 1.4 1.3 ± 0.23 134 ± 31  
33 2   4 ± 2      
On-X (bileaflet) 25 3 11.5 ± 3.2 5.3 ± 2.1     1.9 ± 1.1
27–29 16 10.3 ± 4.5 4.5 ± 1.6     2.2 ± 0.5
31–33 14 9.8 ± 3.8 4.8 ± 2.4     2.5 ± 1.1
Sorin Allcarbon (tilting disk) 25 8 15 ± 3 5 ± 1 2 ± 0.2 105 ± 29 2.2 ± 0.6
27 20 13 ± 2 4 ± 1 1.8 ± 0.1 89 ± 14 2.5 ± 0.5
29 34 10 ± 2 4 ± 1 1.6 ± 0.2 85 ± 23 2.8 ± 0.7
31 11 9 ± 1 4 ± 1 1.6 ± 0.1 88 ± 27 2.8 ± 0.9
Sorin Bicarbon (bileaflet) 25 3 15 ± 0.25 4 ± 0.5 1.95 ± 0.02 70 ± 1  
27 25 11 ± 2.75 4 ± 0.5 1.65 ± 0.21 82 ± 20  
29 30 12 ± 3 4 ± 1.25 1.73 ± 0.22 80 ± 14  
31 9 10 ± 1.5 4 ± 1 1.66 ± 0.11 83 ± 14  
St. Jude Medical (bileaflet) 23 1   4.0 1.5 160 1.0
25 4   2.5 ± 1 1.34 ± 1.12 75 ± 4 1.35 ± 0.17
27 16 11 ± 4 5 ± 1.82 1.61 ± 0.29 75 ± 10 1.67 ± 0.17
29 40 10 ± 3 4.15 ± 1.8 1.57 ± 0.29 85 ± 10 1.75 ± 0.24
31 41 12 ± 6 4.46 ± 2.22 1.59 ± 0.33 74 ± 13 2.03 ± 0.32
Starr-Edwards (ball-and-cage) 26 1   10.0     1.4
28 27   7 ± 2.75     1.9 ± 0.57
30 25 12.2 ± 4.6 6.99 ± 2.5 1.7 ± 0.3 125 ± 25 1.65 ± 0.4
32 17 11.5 ± 4.2 5.08 ± 2.5 1.7 ± 0.3 110 ± 25 1.95 ± 0.4
34 1   5.0     2.6
Stentless quadrileaflet bovine pericardial (stentless bioprosthesis) 26 2   2.2 ± 1.7 1.6 103 ± 31 1.7
28 14     1.58 ± 0.25   1.7 ± 0.6
30 6     1.42 ± 0.32   2.3 ± 0.4
Wessex (stented bioprosthesis) 29 9   3.69 ± 0.61 1.66 ± 0.17 83 ± 19  
31 22   3.31 ± 0.83 1.41 ± 0.25 80 ± 21  

Transesophageal Echocardiographic Anatomy

Transesophageal Echocardiographic Anatomy
ME two-chamber Probe adjustment: neutral Sector depth: ~14 cm
image Primary diagnostic issues
  • LA appendage
  • Mass/thrombus
  • LV apex pathology
  • LV systolic dysfunction (apical segments)
Required structures
  • LA appendage
  • Mitral valve
  • LV apex (i.e., maximal LV length)
ME LAX Probe adjustment: neutral Sector depth: ~12 cm
image Primary diagnostic issues
  • Mitral valve pathology
  • LVOT pathology
Required structures
  • LV
  • Mitral valve
  • LVOT
ME mitral commissural Probe adjustment: neutral Sector depth: ~12 cm
image Primary diagnostic issues
  • Localization of mitral valve pathology
Required structures
  • Mitral valve (P1, P3 and A2 scallops)
  • Papillary muscles/chordae tendineae
  • LA
  • LV
TG mid-SAX Probe adjustment: neutral Sector depth: ~12 cm
image Primary diagnostic issues
  • Hemodynamic instability
  • LV enlargement
  • LV hypertrophy
  • LV systolic dysfunction (global and regional)
Required structures
  • LV cavity
  • LV walls (at least 50% of circumference with visible endocardium)
  • Papillary muscles (approximately equal in size and distinct from ventricular wall)
TG two-chamber Probe adjustment: neutral Sector depth: ~12 cm
image Primary diagnostic issues
  • LV systolic dysfunction (anterior and inferior basal segments)
Required structures
  • Mitral leaflets
  • Mitral subvalvular apparatus
  • LV (anterior and inferior: basal plus mild segments)
TG RV inflow Probe adjustment: neutral-rightward Sector depth: ~12 cm
image Primary diagnostic issues
  • RV systolic dysfunction
  • Tricuspid valve pathology
Required structures
  • Tricuspid leaflets
  • Tricuspid subvalvular apparatus
TG RV inflow-outflow Probe adjustment: neutral-rightward Sector depth: ~14 cm
image Primary diagnostic issues
  • RV systolic dysfunction
  • RVOT pathology
  • Pulmonary artery pathology
  • Pulmonic valve evaluation
Required structures
  • RA
  • RV
  • Main pulmonary artery
  • Pulmonic valve
TG basal SAX Probe adjustment: neutral Sector depth: ~12 cm
image Primary diagnostic issues
  • LV systolic dysfunction (basal segments)
  • Mitral valve pathology
Required structures
  • Mitral leaflets
  • Mitral subvalvular apparatus
  • LV (basal segments)
TG LAX Probe adjustment: neutral-leftward Sector depth: ~12 cm
image Primary diagnostic issues
  • LV systolic dysfunction (anteroseptal and posterior: basal segments)
  • Doppler evaluation of aortic valve
Required structures
  • Mitral leaflets
  • Mitral subvalvular apparatus
  • LV (anteroseptal and posterior: basal plus midsegments)
  • Aortic valve
Deep TG LAX Probe adjustment: neutral Sector depth: ~16 cm
image Primary diagnostic issues
  • Aortic valve pathology
  • LVOT pathology
  • Doppler evaluation of aortic valve
Required structures
  • LV
  • Aortic valve
  • Aorta
  • ME, midesophageal; Asc, ascending; SAX, short axis; LAX, long axis; UE, upper esophageal; Desc, descending; AV, aortic valve; RV, right ventricular; LVOT, left ventricular outflow tract; RA, right atrium; LA, left atrium; LV, left ventricular; RVOT, right ventricular outflow tract; TG, transgastric.
  • Modified from Miller JP, Lambert SA, Shapiro WA, et al. The adequacy of basic intraoperative transesophageal echocardiography performed by experienced anesthesiologist. Anesth Analg 2001;92:1103–1110, with permission.