arrhythmia

arrhythmia definition - medical

ar·rhyth·mi·a (ə-rĭÞˈmē-ə)

noun
An irregularity in the force or rhythm of the heartbeat.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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