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valvular insufficiency

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noun Pathology.
  1. abnormal closure of a heart valve resulting in failure to prevent regurgitation of blood.
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Also called valvular incompetence.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
valvular insufficiency in Medicine

valvular insufficiency

n.
  1. Failure of the cardiac valves to close perfectly, thus allowing regurgitation of blood past the closed valve.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.