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arrhythmia

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ar⋅rhyth⋅mi⋅a

[uh-rith-mee-uh, ey-rith-]
–noun Pathology.
any disturbance in the rhythm of the heartbeat.
Also, arhythmia.


Origin:
1885–90; < NL < Gk arrhythmía. See a- 6 , rhythm, -ia


arrhyth⋅mic [uh-rith-mik, ey-rith-] , ar⋅rhyth⋅mi⋅cal, adjective
ar⋅rhyth⋅mi⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ar·rhyth·mi·a   (ə-rĭth'mē-ə)   
n.  An irregularity in the force or rhythm of the heartbeat.

[New Latin, from Greek arruthmiā, lack of rhythm, from arruthmos, unrhythmical : a-, without; see a-1 + rhuthmos, rhythm; see rhythm.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ar·rhyth·mia
Pronunciation: A-'rith-mE-&
Function: noun
: an alteration in rhythm of the heartbeat either in time orforce
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

arrhythmia ar·rhyth·mi·a (ə-rĭ&phonth;'mē-ə)
n.
An irregularity in the force or rhythm of the heartbeat.

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