Auscultation Training by Repetition

Mitral Regurgitation - C401, #91

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waveform of heart or lung sound
Listen for 2-3 minutes
maneuver
Supine
torso
Diaphragm

Listening Tips

Systole: Rectangular murmur, mid-frequency.
Diastole: S3 gallop.
Use chestpiece bell to improve S3 sound.
Repetition Training - Basic Heart Sounds

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Lesson Text

The murmur of mitral regurgitation 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.

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c401
CaseID91
CourseID26
CourseCaseOrder5
ID80