arrhythmia

noun

ar·​rhyth·​mia ā-ˈrit͟h-mē-ə How to pronounce arrhythmia (audio)
: an alteration in rhythm of the heartbeat either in time or force

Examples of arrhythmia in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The mechanics of it are putting certain populations are at risk of like arrhythmias and heart attacks and blood clots and all these other things that are cardiac. Kathleen Wong, USA Today, 8 Apr. 2025 Those who have ingested the fruit may also experience arrhythmias — cerberin, like other cardiac glycosides, impacts the sodium-potassium pump that regulates the heart, which can lead to heart failure and death. Randall Colburn, EW.com, 7 Apr. 2025 Karen died in March 2024 Karen died on March 18, 2024, at 65 years old from cardiac arrest and sudden cardiac arrhythmia, per a death certificate obtained by TMZ. Mckinley Franklin, People.com, 20 Mar. 2025 The second, before his sophomore year at Northwest Catholic High, revealed a life-threatening heart arrhythmia that called for surgery. Dom Amore, Hartford Courant, 8 Mar. 2025 See All Example Sentences for arrhythmia

Word History

Etymology

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

First Known Use

circa 1860, in the meaning defined above

Time Traveler
The first known use of arrhythmia was circa 1860

Browse Nearby Words

Cite this Entry

“Arrhythmia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arrhythmia. Accessed 16 Apr. 2025.

Medical Definition

arrhythmia

noun
ar·​rhyth·​mia ā-ˈrit͟h-mē-ə How to pronounce arrhythmia (audio)
: an alteration in rhythm of the heartbeat either in time or force

More from Merriam-Webster on arrhythmia

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