Right Atrium
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Right atrial dimensions
| |
|---|---|
| 2D measurement AP4CH | |
| RA length | <53mm |
| RA cross | <44mm |
| RA end-systolic area | <18cm2 |
Right atrial pressure (RAP)
| Inferior Vena Cava Diameter | Estimation RAP |
|---|---|
| Normal <15mm | 5mmHg |
| Borderline 15-20mm | 5-10 mmHg |
| Dilated,> 50% collapse | 10-15 mmHg |
| Dilated, <than 50% collapse | 15 - 20 mm Hg |
References
- Rudski LG, Lai WW, Afilalo J, Hua L, Handschumacher MD, Chandrasekaran K, Solomon SD, Louie EK, and Schiller NB. Guidelines for the echocardiographic assessment of the right heart in adults: a report from the American Society of Echocardiography endorsed by the European Association of Echocardiography, a registered branch of the European Society of Cardiology, and the Canadian Society of Echocardiography. J Am Soc Echocardiogr. 2010 Jul;23(7):685-713; quiz 786-8. DOI:10.1016/j.echo.2010.05.010 |