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

In rare cases, lack of electrolytes can throw off the electrical impulses that keep the heart beating properly, leading to cardiac arrhythmia, or irregular heartbeat. Amy Marturana, SELF, "This Is What Happens When You Don’t Eat Enough After Working Out," 2 Jan. 2019 Genetics have left me susceptible to atrial fibrillation, a heart arrhythmia with severe health implications. John Timmer, Ars Technica, "A look at the Apple Watch’s ECG, from someone who needs it," 12 Dec. 2018 The features are also not intended to be used by people under age 22 or by people who have had previous atrial fibrillations or other arrhythmias. Korin Miller, SELF, "Here’s What Cardiologists Say About the Apple Watch’s New Heart Monitoring Features," 14 Sep. 2018 While results of this early personality-typing research proved shaky, a more rigorous 1981 study found that a startling number of patients with life-threatening arrhythmias had suffered acute psychological stress the day of their attacks. Laura Kolbe, WSJ, "‘Heart: A History’ Review: At the Bleeding Edge," 14 Sep. 2018 Chagas disease can cause life-threatening heart issues, including heart diseease, strokes, arrhythmias and cardiac arrest. Jennifer Earl, Fox News, "Blood-sucking 'kissing bugs' spreading dangerous parasitic disease in US, health officials warn," 24 Aug. 2018 There are also efforts to detect cardiac arrhythmias, particularly atrial fibrillation, which increase the risk of heart failure and strokes. The Economist, "Artificial intelligence will improve medical treatments," 7 June 2018 In the meantime, a pill that medical experts say can cause diabetes, heart arrhythmia and potentially irreversible movement disorders continues to be prescribed to many Americans who are only seeking a good night’s sleep or less anxiety by day. Amy Ellis Nutt, Washington Post, "One of America’s most popular drugs — first aimed at schizophrenia — reveals the issues of ‘off-label’ use," 30 Mar. 2018 Researchers at Stanford University, led by Andrew Ng, have shown that AI software can identify arrhythmias from an electrocardiogram (ECG) better than an expert. The Economist, "Artificial intelligence will improve medical treatments," 7 June 2018

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

The first known use of arrhythmia was circa 1860

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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

Comments on arrhythmia

What made you want to look up arrhythmia? Please tell us where you read or heard it (including the quote, if possible).


using a distributed computer network

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