The atrial or ventricular complex in an electrocardiogram when either the atria or the ventricles are activated by two simultaneously invading impulses.
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Words nearby fusion beat
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.