ventricular fusion beat

Medical Dictionary

ventricular fusion beat n.
A fusion beat that occurs when the ventricles are activated partly by the descending sinus or atrioventricular nodal impulse and partly by an ectopic ventricular impulse.

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