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Mitral Regurgitation Lesson #643

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was supine during auscultation.

Description

This case presents an example of a pansystolic murmur usually associated with mitral regurgitation.

The murmur is a mid-frequency, rectangular murmur taking up all of systole. S1 is normal. S2 is single. There is a third heart sound gallop in diastole. Both the left ventricle and the left atrium are enlarged. The murmur is caused by turbulent flow through the incompetent mitral valve leaflets into the left atrium.

In the anatomy video, observe the enlarged left ventricle and left atrium and turbulent flow from the left ventricle into the left atrium, creating the murmur.

Phonocardiogram

Anatomy

Mitral Regurgitation

In the cardiac animation, you can see the enlarged left ventricle and left atrium and turbulent flow from the left ventricle into the left atrium which creates the murmur.
Authors and Sources

Authors and Reviewers

Sources




? pv# 1 | n? False | i? False hem:
np:

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