Left Atrium: Difference between revisions
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|colspan="9"|'''Atrial dimensions''' | |colspan="9"|'''Atrial dimensions''' | ||
|- | |- | ||
|align="center"| | |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"| | |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"| | |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 | ||
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|align="center"|≥5.5 | |align="center"|≥5.5 | ||
|- | |- | ||
|align="center"| | |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"| | |align="center"|LA area, cm2 | ||
|align="center"|≤20 | |align="center"|≤20 | ||
|align="center"|20–30 | |align="center"|20–30 | ||
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|colspan="9"|'''Atrial volumes''' | |colspan="9"|'''Atrial volumes''' | ||
|- | |- | ||
|align="center"| | |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 | ||
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|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" | ||
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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 pmid=16458610
- 2 pmid=19187853
</biblio>