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Third and Fourth Heart Sound Gallop Reference Guide

Third and Fourth Heart Sound Gallop

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.


Auscultation Sound From Lesson

auscultation sound from lesson
waveform


Patient Recording

patient heart or lung sound
Third and Fourth Heart Sound Gallop


Patient Recording - Half Speed Playback

patient heart or lung sound
Third and Fourth Heart Sound Gallop


Position

Patient position
The patient's position should be supine.

Listening Tips

Diastole:S3 and S4 present; galloping sound


Waveform (Phonocardiogram)





Observe Cardiac Animation


Third and Fourth Heart Sound Gallop | Description, Audio and Animations | #86

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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