mitral insufficiency

noun Pathology.

abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure.

Nearby words

  1. mitra,
  2. mitrailleuse,
  3. mitral,
  4. mitral atresia,
  5. mitral cell,
  6. mitral murmur,
  7. mitral orifice,
  8. mitral stenosis,
  9. mitral valve,
  10. mitral valve prolapse

Origin of mitral insufficiency

First recorded in 1875–80

Also called mitral incompetence. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for mitral insufficiency

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.