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 Unlike other studies, which had merely questioned the drug’s effectiveness, The Lancet article claimed that the use of hydroxychloroquine carried a greater risk of heart arrhythmia and death. Sam Knight, The New Yorker, "The Lancet Editor’s Wild Ride Through the Coronavirus Pandemic," 27 June 2020 Some of them have had respiratory issues, some have had arrhythmia, and there are at least a few offensive linemen on every team who fit the clinical standard of severe obesity. Mike Finger,, "As college football returns, what cost is too high?," 18 June 2020 This response can be dangerous for someone with underlying conditions such as asthma or arrhythmia. Michael Ciaglo, National Geographic, "From tear gas to rubber bullets, here’s what ‘nonlethal’ weapons can do to the body," 5 June 2020 Scientists say that the hypoxia seen in many COVID-19 patients raises a concern that p.Ser1103Tyr-SCN5A could produce a similar, African-American susceptibility to ventricular arrhythmia and sudden cardiac death from the SARS-CoV-2 infection. Fox News, "Use of unproven COVID-19 therapies poses risks for African-Americans," 16 June 2020 Dogs should be taken to a veterinarian as soon as possible to treat symptoms such as seizures, heart problems such as arrhythmia and body temperatures that skyrocket and then plunge. Jay Cannon, USA TODAY, "Florida tells residents to humanely kill these invasive, toxic toads that are lethal to pets," 12 June 2020 The inquest lists his cause of death as cardiac arrhythmia. Tara John, Melissa Bell And Barbara Wojazer, CNN, "'They died in the exact same way'," 4 June 2020 The Lancet found both a higher mortality rate and a higher incidence of cardiac arrhythmia among people who took hydroxychloroquine. Popular Science, "Hydroxychloroquine isn’t the miracle COVID-19 treatment many hoped it would be," 29 May 2020 It's known to have side effects, including muscle weakness and heart arrhythmia, although experts say it's generally considered safe for a healthy population as long as it's not prescribed with other medications that could cause arrhythmias. NBC News, "Hydroxychloroquine is not dead yet," 26 Mar. 2020

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

New Latin, from Greek, lack of rhythm, from arrhythmos unrhythmical, from a- + rhythmos rhythm

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Time Traveler for arrhythmia

Time Traveler

The first known use of arrhythmia was circa 1860

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Statistics for arrhythmia

Last Updated

2 Jul 2020

Cite this Entry

“Arrhythmia.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

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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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