heart attack
Americannoun
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heart attacks
plural
noun
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Necrosis of a region of the heart muscle caused by an interruption in the supply of blood to the heart, usually as a result of occlusion of a coronary artery resulting from coronary artery disease. Symptoms typically include sudden, crushing chest pain, nausea, and sweating. Characteristic changes in the electrocardiogram are used to diagnose heart attacks.
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Also called myocardial infarction
Other Word Forms
Noun Inflected Forms
Etymology
Origin of heart attack
First recorded in 1925–30
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
United States women's national team player Savannah DeMelo is suing a hospital and two doctors after she suffered a heart attack on the pitch last year.
From BBC ● Sep. 17, 2026
She underwent a heart transplant 10 years ago, after having a heart attack aged 31 while watching her son play football.
From BBC ● Sep. 16, 2026
Over the next decade, 6% of the participants experienced either a heart attack or stroke.
From Science Daily ● Sep. 12, 2026
Researchers from the University of Sydney, the Baird Institute and Royal Prince Alfred Hospital in Sydney have found that the human heart can produce new muscle cells after a heart attack.
From Science Daily ● Sep. 11, 2026
Hana walks in just then and throws her hand against her chest like she’s having a heart attack.
From "A Good Kind of Trouble" by Lisa Moore Ramée
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.