abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure.
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- mitral atresia,
- mitral cell,
- mitral murmur,
- mitral orifice,
- mitral stenosis,
- mitral valve,
- mitral valve prolapse
Origin of mitral insufficiency
First recorded in 1875–80
Also called mitral incompetence.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Incompetence of the mitral valve of the heart resulting in backflow of blood from the left ventricle to the left atrium.mitral regurgitation
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.