Third and Fourth Heart Sound Gallop C31 31

Listen

patient torso with stethoscope chestpiece
patient position during auscultation
The patient's position should be supine.

Description

Both the third and fourth heart sounds (S3 and S4) are low frequency. S4 is lower than S3. This is a pattern that occurs with improvement of heart failure. That is, an S3 pattern gives way to an S3 S4 pattern as the patient improves.

Visualize

static waveform for 77

Observe






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