valvular insufficiency

noun Pathology.

abnormal closure of a heart valve resulting in failure to prevent regurgitation of blood.

Also called valvular incompetence.

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valvular insufficiency in Medicine

valvular insufficiency

n.

Failure of the cardiac valves to close perfectly, thus allowing regurgitation of blood past the closed valve.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.