Medical

S3

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S3

Symbol for third heart sound.
Farlex Partner Medical Dictionary © Farlex 2012

S3

Third heart sound, a soft prolonged sound, which corresponds to vibrations in the wall of the ventricle caused by rapid filling of same; the S3 is normal in young athletes, but is usually abnormal.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

S3

Abbreviation for third heart sound.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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