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Third and Fourth Heart Sound Gallop

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 Sounds

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

//embedding heart animation

Authors

These authors contributed the audio recordings and text found in this reference guide: Jon Keroes, MD,Diane Wrigley, PA, and David Lieberman.
Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.



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