Heart Sounds: Third Heart Sound

	Third Heart Sound Ventricular Gallop

Brief Information

Description
An extra heart sound due to rapid ventricular filling.

Type and Detection
Heard over apex; while patient is at at supine or left lateral position.

Findings on Examination
Early diastolic low pitch extra heart sound. Increases with inspiration, exercise, elevation of legs, and with increased venous return.

Heart Sound

Compare with

Normal Heart Sound (441K)

Fourth Heart Sound (442K)

Summation Gallop (383K)

Compare with
Normal Heart Sound (441K)
Fourth Heart Sound (442K)
Summation Gallop (383K)

Y.E. Kocabasoglu and R.H. Henning

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Description	An extra heart sound due to rapid ventricular filling.

Type and Detection	Heard over apex; while patient is at at supine or left lateral position.

Findings on Examination	Early diastolic low pitch extra heart sound. Increases with inspiration, exercise, elevation of legs, and with increased venous return.