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Mid-Systolic Click C31 Reference Guide

Mid-Systolic Click C31

This is an auscultation example of a mid-systolic click heard at the mitral valve area. The first and second heart sounds are normal. The second heart sound is unsplit and no murmur is present so that you can concentrate on the systolic click. On the anatomy video you can see that the mitral valve posterior leaflet prolapses. The mid-systolic click is produced by the sudden prolapse of the leaflet. A mid-systolic click is often followed by a late systolic murmur of mitral valve leaflet prolapse.


Auscultation Sound From Lesson

auscultation sound from lesson
waveform


Patient Recording

patient heart or lung sound
Mid-Systolic Click C31


Patient Recording - Half Speed Playback

patient heart or lung sound
Mid-Systolic Click C31


Position

Patient position
The patient's position should be supine.

Listening Tips

Systole:high-pitched click


Waveform (Phonocardiogram)





Observe Cardiac Animation

Play the animation and observe that the mitral valve posterior leaflet prolapses. The mid-systolic click is produced by the sudden prolapse of the leaflet.

Mid-Systolic Click C31 | Description, Audio and Animations | #121

Authors and Reviewers

Authored by Dr. Jonathan Keroes, MD and Diane Wrigley, PA.
Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.
Last Update: 12/06/2021

Sources


Sources



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