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Tricuspid Regurgitation - Severe Reference Guide.

Tricuspid Regurgitation - Severe

This is an example of severe tricuspid regurgitation which is caused by degeneration of the tricuspid valve leaflets. The first heart sound is normal. The second heart sound is unsplit. There is a loud, rectangular, pansystolic murmur. There is a brief, rumbling, diamond-shaped diastolic murmur. In the anatomy video you can see the enlarged right atrium and right ventricle. You can see the turbulent blood flow from the right ventricle into the right atrium. This is the systolic murmur. You can see the brief turbulent blood flow from the right atrium to the right ventricle in diastole. This is caused by too much blood in the right atrium which forces blood back into the ventricle during diastole producing the flow rumble. To differentiate tricuspid regurgitation from mitral regurgitation, the maximum intensity of the tricuspid murmur is heard at the left lower sternal border. In addition, the murmur intensity increases with inspiration.


Auscultation Sound From Lesson

auscultation sound from lesson
waveform


Patient Recording

patient heart or lung sound
Tricuspid Regurgitation - Severe


Patient Recording - Half Speed Playback

patient heart or lung sound
Tricuspid Regurgitation - Severe




Position

Patient position
The patient's position should be supine.

Listening Tips

S1:
Systole: Loud, pan-systolic murmur, louder during inspiration
S2:
Diastole: Brief, rumbling diamond shaped murmur may follow pan-systolic murmur in some cases


Observe

Review the animation. Observe the enlarged right atrium and right ventricle. You can see the turbulent blood flow from the right ventricle into the right atrium. This is the systolic murmur. Notice the brief turbulent blood flow from the right atrium to the right ventricle in diastole. This is caused by too much blood in the right atrium which forces blood back into the ventricle during diastole producing the flow rumble. To differentiate tricuspid regurgitation from mitral regurgitation, the maximum intensity of the tricuspid murmur is heard at the left lower sternal border. In addition, the murmur intensity increases with inspiration.

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