Left Atrium: Difference between revisions
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|colspan="9"|'''Atrial dimensions''' | |colspan="9"|'''Atrial dimensions''' | ||
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|align="center"|LA diameter, cm | |||
|align="center"|2.7–3.8 | |align="center"|2.7–3.8 | ||
|align="center"|3.9–4.2 | |align="center"|3.9–4.2 | ||
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|align="center"|≥5.2 | |align="center"|≥5.2 | ||
|- | |- | ||
|align="center"|LA diameter/BSA, cm/m2 | |||
|align="center"|1.5–2.3 | |align="center"|1.5–2.3 | ||
|align="center"|2.4–2.6 | |align="center"|2.4–2.6 | ||
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|align="center"|≥3.0 | |align="center"|≥3.0 | ||
|- | |- | ||
|align="center"|RA minor-axis dimension, cm | |||
|align="center"|2.9–4.5 | |align="center"|2.9–4.5 | ||
|align="center"|4.6–4.9 | |align="center"|4.6–4.9 | ||
| Line 48: | Line 48: | ||
|align="center"|≥5.5 | |align="center"|≥5.5 | ||
|- | |- | ||
|align="center"|RA minor-axis dimension/BSA, cm/m2 | |||
|align="center"|1.7–2.5 | |align="center"|1.7–2.5 | ||
|align="center"|2.6–2.8 | |align="center"|2.6–2.8 | ||
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|colspan="9"|'''Atrial area''' | |colspan="9"|'''Atrial area''' | ||
|- | |- | ||
|align="center"|LA area, cm2 | |align="center"|LA area, cm2 | ||
|align="center"|≤20 | |align="center"|≤20 | ||
|align="center"|20–30 | |align="center"|20–30 | ||
| Line 72: | Line 72: | ||
|colspan="9"|'''Atrial volumes''' | |colspan="9"|'''Atrial volumes''' | ||
|- | |- | ||
|LA volume, mL | |align="center"|LA volume, mL | ||
|align="center"|22–52 | |align="center"|22–52 | ||
|align="center"|53–62 | |align="center"|53–62 | ||
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!≥40 | !≥40 | ||
|- | |- | ||
|colspan="9"|'''Bold values:''' Recommended and best validated. | |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> | ==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 | |[[Image:400px-LAP normalEF svg.png]] | ||
|[[Image:400px-LAP reducedEF svg.png | |- | ||
|[[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. | ||
| Line 107: | Line 110: | ||
==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
- Lang RM, Bierig M, Devereux RB, Flachskampf FA, Foster E, Pellikka PA, Picard MH, Roman MJ, Seward J, Shanewise J, Solomon S, Spencer KT, St John Sutton M, Stewart W, American Society of Echocardiography's Nomenclature and Standards Committee, Task Force on Chamber Quantification, American College of Cardiology Echocardiography Committee, American Heart Association, and European Association of Echocardiography, European Society of Cardiology. Recommendations for chamber quantification. Eur J Echocardiogr. 2006 Mar;7(2):79-108. DOI:10.1016/j.euje.2005.12.014 |
- Nagueh SF, Appleton CP, Gillebert TC, Marino PN, Oh JK, Smiseth OA, Waggoner AD, Flachskampf FA, Pellikka PA, and Evangelista A. Recommendations for the evaluation of left ventricular diastolic function by echocardiography. J Am Soc Echocardiogr. 2009 Feb;22(2):107-33. DOI:10.1016/j.echo.2008.11.023 |