cardiac arrest

noun

: temporary or permanent cessation of the heartbeat

Examples of cardiac arrest in a Sentence

Recent Examples on the Web
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Martha Lopez-Anderson is executive director of Parent Heart Watch, a nonprofit based in Orlando that is dedicated to protecting children and young adults from sudden cardiac arrest and preventable sudden cardiac death by educating and advocating for change. Martha Lopez-Anderson, The Orlando Sentinel, 21 June 2026 But the solution caused Peñaloza Cabrera to suffer lidocaine toxicity, a condition that occurs when excessive amounts of the anesthetic enter the bloodstream, causing seizures, irregular heart rhythm, respiratory failure and — as in the victim’s case — cardiac arrest. Colin Mixson, New York Daily News, 18 June 2026 San Mateo County District Attorney Steve Wagstaffe previously said Gourkani died on April 20 from cardiac arrest, while prosecutors reportedly said silicone was found in her bloodstream. Angel Saunders, PEOPLE, 17 June 2026 This leads to irregular heart rhythms and can lead to sudden cardiac arrest, according to the report. Alexa Herrera, CBS News, 16 June 2026 See All Example Sentences for cardiac arrest

Word History

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of cardiac arrest was in 1873

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Cite this Entry

“Cardiac arrest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardiac%20arrest. Accessed 23 Jun. 2026.

Medical Definition

cardiac arrest

noun
: abrupt temporary or permanent cessation of the heartbeat (as from ventricular fibrillation or asystole)

called also sudden cardiac arrest

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