Heart Sounds: Summation Gallop

	Summation Gallop Triple Gallop

Brief Information

Description
An extra heart sound resembling the sound of a galloping horse, due to fast heart rates.

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

Findings on Examination

Low pitch presystolic, intense, easily heard sound. Increases with inspiration, exercise, elevation of legs, and with increased venous return.

Heart Sound Components S₃ and S₄ fuse with fast heart rates.

Heart Sound

Compare with

Normal Heart Sound (441K)

Third Heart Sound (441K)

Fourth Heart Sound (442K)

Compare with
Normal Heart Sound (441K)
Third Heart Sound (441K)
Fourth Heart Sound (442K)

Y.E. Kocabasoglu and R.H. Henning

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Description	An extra heart sound resembling the sound of a galloping horse, due to fast heart rates.

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

Findings on Examination	Low pitch presystolic, intense, easily heard sound. Increases with inspiration, exercise, elevation of legs, and with increased venous return.

Heart Sound Components	S₃ and S₄ fuse with fast heart rates.