Left Atrium: Difference between revisions

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==Left atrial dimensions==
==Left atrial dimensions==


==Left atrial pressure (LAP) <cite>1</cite>==
{| class="wikitable" cellpadding="0" cellspacing="0" border="0" width="700px"
|-
!rowspan="2"|
!colspan="4"|Women
!colspan="4"|Men
|-
|align="center"|'''Reference range'''
|align="center"|'''Mildly abnormal'''
|align="center"|'''Moderately abnormal'''
|align="center"|'''Severely abnormal'''
|align="center"|'''Reference range'''
|align="center"|'''Mildly abnormal'''
|align="center"|'''Moderately abnormal'''
|align="center"|'''Severely abnormal'''
|-
|colspan="9"|'''Atrial dimensions'''
|-
|align="center"|LA diameter, cm
|align="center"|2.7–3.8  
|align="center"|3.9–4.2  
|align="center"|4.3–4.6  
|align="center"|≥4.7  
|align="center"|3.0–4.0  
|align="center"|4.1–4.6  
|align="center"|4.7–5.2
|align="center"|≥5.2
|-
|align="center"|LA diameter/BSA, cm/m2  
|align="center"|1.5–2.3  
|align="center"|2.4–2.6  
|align="center"|2.7–2.9  
|align="center"|≥3.0  
|align="center"|1.5–2.3  
|align="center"|2.4–2.6  
|align="center"|2.7–2.9
|align="center"|≥3.0
|-
|align="center"|RA minor-axis dimension, cm  
|align="center"|2.9–4.5  
|align="center"|4.6–4.9  
|align="center"|5.0–5.4  
|align="center"|≥5.5  
|align="center"|2.9–4.5  
|align="center"|4.6–4.9  
|align="center"|5.0–5.4  
|align="center"|≥5.5
|-
|align="center"|RA minor-axis dimension/BSA, cm/m2  
|align="center"|1.7–2.5  
|align="center"|2.6–2.8  
|align="center"|2.9–3.1  
|align="center"|≥3.2  
|align="center"|1.7–2.5  
|align="center"|2.6–2.8  
|align="center"|2.9–3.1  
|align="center"|≥3.2
|-
|colspan="9"|'''Atrial area'''
|-
|align="center"|LA area, cm2
|align="center"|≤20  
|align="center"|20–30  
|align="center"|30–40
|align="center"|>40  
|align="center"|≤20  
|align="center"|20–30  
|align="center"|30–40
|align="center"|>40
|-
|colspan="9"|'''Atrial volumes'''
|-
|align="center"|LA volume, mL  
|align="center"|22–52  
|align="center"|53–62  
|align="center"|63–72  
|align="center"|≥73  
|align="center"|18–58
|align="center"|59–68  
|align="center"|69–78  
|align="center"|≥79
|-
!LA volume/BSA, mL/m2
!22 ± 6
!29–33
!34–39
!≥40
!22 ± 6
!29–33
!34–39
!≥40
|-
|colspan="9"|'''Bold values:''' Recommended and best validated.<cite>1</cite>
 
Click [http://csecho.ca/cardiomath/?eqnHD=echo&eqnDisp=lavolbpm '''here'''] for LA volume calculation.
|}
 
==Left atrial pressure (LAP) <cite>2</cite>==


{| class="wikitable" cellpadding="0" cellspacing="0" border="0"
{| class="wikitable" cellpadding="0" cellspacing="0" border="0"
|-
|-
|[[Image:400px-LAP normalEF svg.png|350px]]
|[[Image:400px-LAP normalEF svg.png]]
|[[Image:400px-LAP reducedEF svg.png|350px]]
|-
|[[Image:400px-LAP reducedEF svg.png]]
|-
|-
|colspan="2"|Click [http://csecho.ca/cardiomath/?eqnHD=echo&eqnDisp=lapmr '''here'''] for calculation of LA pressure by mitral regurgitation.
|colspan="2"|Click [http://csecho.ca/cardiomath/?eqnHD=echo&eqnDisp=lapmr '''here'''] for calculation of LA pressure by mitral regurgitation.
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==References==
==References==
<biblio>
<biblio>
#1 pmid=19187853
#1 pmid=16458610
#2 pmid=19187853
</biblio>
</biblio>

Latest revision as of 18:42, 18 November 2013

Left atrial dimensions

Women Men
Reference range Mildly abnormal Moderately abnormal Severely abnormal Reference range Mildly abnormal Moderately abnormal Severely abnormal
Atrial dimensions
LA diameter, cm 2.7–3.8 3.9–4.2 4.3–4.6 ≥4.7 3.0–4.0 4.1–4.6 4.7–5.2 ≥5.2
LA diameter/BSA, cm/m2 1.5–2.3 2.4–2.6 2.7–2.9 ≥3.0 1.5–2.3 2.4–2.6 2.7–2.9 ≥3.0
RA minor-axis dimension, cm 2.9–4.5 4.6–4.9 5.0–5.4 ≥5.5 2.9–4.5 4.6–4.9 5.0–5.4 ≥5.5
RA minor-axis dimension/BSA, cm/m2 1.7–2.5 2.6–2.8 2.9–3.1 ≥3.2 1.7–2.5 2.6–2.8 2.9–3.1 ≥3.2
Atrial area
LA area, cm2 ≤20 20–30 30–40 >40 ≤20 20–30 30–40 >40
Atrial volumes
LA volume, mL 22–52 53–62 63–72 ≥73 18–58 59–68 69–78 ≥79
LA volume/BSA, mL/m2 22 ± 6 29–33 34–39 ≥40 22 ± 6 29–33 34–39 ≥40
Bold values: Recommended and best validated.1

Click here for LA volume calculation.

Left atrial pressure (LAP) 2

 
 
Click here for calculation of LA pressure by mitral regurgitation.

References

<biblio>

  1. 1 pmid=16458610
  2. 2 pmid=19187853

</biblio>