regurgitant murmur

[ rē-gûrjĭ-tənt ]

n.

A murmur due to leakage or backward flow at one of the valvular orifices of the heart.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.