ar·​rhyth·​mia | \ ā-ˈrit͟h-mē-ə How to pronounce arrhythmia (audio) \

Definition of arrhythmia

: an alteration in rhythm of the heartbeat either in time or force

Examples of arrhythmia in a Sentence

Recent Examples on the Web Thomas said someone who died of a heart arrhythmia would typically experience a sudden death. Erin Donaghue, CBS News, 12 Apr. 2021 In the two weeks before and four weeks after the 2016 election, researchers found a 77% increase in the risk of cardiac arrhythmia -- a potentially dangerous irregular heartbeat -- among people who had underlying heart conditions. Jen Christensen, CNN, 21 May 2021 Side effects of this condition, the statement continues, can include fatigue, anxiety, depression and cardiac arrhythmia. Katie Bain, Billboard, 18 May 2021 Many drugs target ion channels, using them to treat arrhythmia, epilepsy, and chronic pain. Matthew Hutson, The New Yorker, 3 May 2021 Fowler testified that the primary cause of Floyd’s death was cardiac arrhythmia during police restraint due to underlying heart disease. Washington Post, 23 Apr. 2021 Defense's expert witness Dr. David Fowler, former chief medical examiner for Maryland, says George Floyd had a cardiac arrhythmia due to his heart disease while he was held down by police. Erin Donaghue, CBS News, 15 Apr. 2021 In many cases during Mayo’s trial, the algorithm has flagged a patient as high risk, but the follow-up monitoring did not confirm the presence of the arrhythmia. Casey Ross Reprints, STAT, 29 Apr. 2021 Prosecutors have said Floyd died of oxygen deprivation underneath the pressure of Chauvin's knee, but defense attorney Eric Nelson has said Floyd's drug use caused a fatal heart arrhythmia. Erin Donaghue, CBS News, 6 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arrhythmia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of arrhythmia

circa 1860, in the meaning defined above

History and Etymology for arrhythmia

borrowed from Greek arrhythmía "lack of rhythm," from árrhythmos "lacking rhythm, unrhythmical" + -ia -ia entry 1 — more at arrhythmic

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Learn More About arrhythmia

Time Traveler for arrhythmia

Time Traveler

The first known use of arrhythmia was circa 1860

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Statistics for arrhythmia

Last Updated

9 Jun 2021

Cite this Entry

“Arrhythmia.” Dictionary, Merriam-Webster, Accessed 20 Jun. 2021.

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More Definitions for arrhythmia


ar·​rhyth·​mia | \ ā-ˈrit͟h-mē-ə How to pronounce arrhythmia (audio) \

Medical Definition of arrhythmia

: an alteration in rhythm of the heartbeat either in time or force

More from Merriam-Webster on arrhythmia

Britannica English: Translation of arrhythmia for Arabic Speakers Encyclopedia article about arrhythmia


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