Normal Values of TEE

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Reference values for normal adult TEE measurements. Adapted from Perrino et al.[1]

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 et al. [2]


Positions of measurements

References

  1. editors, Albert C. Perrino Jr., Scott T. Reeves. A practical approach to transesophageal echocardiography. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2008. ISBN:0781773296 [Perrino]
  2. Cohen GI, White M, Sochowski RA, Klein AL, Bridge PD, Stewart WJ, and Chan KL. Reference values for normal adult transesophageal echocardiographic measurements. J Am Soc Echocardiogr. 1995 May-Jun;8(3):221-30. PubMed ID:7640014 | HubMed [Cohen]