Tricuspid regurgitation involves regurgitation from which chamber to which chamber?

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Multiple Choice

Tricuspid regurgitation involves regurgitation from which chamber to which chamber?

Explanation:
Tricuspid regurgitation describes backward flow across the tricuspid valve, which sits between the right atrium and the right ventricle. The valve normally closes during systole to prevent blood from moving from the ventricle back into the atrium. When it’s incompetent, blood is ejected from the right ventricle into the right atrium, so the regurgitant direction is RV to RA. This contrasts with left-sided regurgitations, such as mitral regurgitation (LV to LA) or aortic regurgitation (aorta to LV).

Tricuspid regurgitation describes backward flow across the tricuspid valve, which sits between the right atrium and the right ventricle. The valve normally closes during systole to prevent blood from moving from the ventricle back into the atrium. When it’s incompetent, blood is ejected from the right ventricle into the right atrium, so the regurgitant direction is RV to RA. This contrasts with left-sided regurgitations, such as mitral regurgitation (LV to LA) or aortic regurgitation (aorta to LV).

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