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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Also called mitral incompetence.
Origin of mitral insufficiency
First recorded in 1875–80
Words nearby mitral insufficiency
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for mitral insufficiency
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.