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First Heart Sound - Loud Guide

First Heart Sound - Loud

Usually, the first heart sound is slightly louder than the second heart sound when heard in the Mitral valve area... In this case the first heart sound is much louder than the second heart sound. This can be produced by a thickened, but still mobile, mitral valve. Look at the anatomy video to see the thickened mitral valve leaflets. A very loud first heart sound can be an indication of mitral stenosis.


Auscultation Sound From Lesson

auscultation sound from lesson
waveform






Position

Patient position
The patient's position should be supine.

Listening Tips

S1: Increased intensity
Systole:
S2: Softer intensity than S1
Diastole:


Observe

Notice the thickened mitral valve leaflets. The first heart sound is much louder than the second heart sound. This can be produced by a thickened, but still mobile, mitral valve.

First Heart Sound - Loud - Reference

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