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Third and Fourth Heart Sound Gallop Lesson

Virtual Auscultation

patient torso with stethoscope chestpiece

patient position during auscultation
The patient's position is supine.


Listen to the recording of a third and fourth heart sound gallop. Note that the third and fourth heart sounds are low frequency. S4 has a pitch somewhat lower than S3.

Patients with heart failure will often have a third heart sound. As the patient's condition improves, this S3 becomes a third and fourth heart sound gallop.


Heart Sounds Video

Authors and Sources

Authors and Reviewers


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