heart sound

heart sound definition - medical

heart sound

noun
Any of the sounds heard on auscultation over the heart, usually referred to as first, second, third, or fourth heart sound. Also called cardiac sound.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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