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.
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
One mother went to the ER with shortness of breath and high blood pressure, fearing she might be having a heart attack, but her tests came back normal.
From The Wall Street Journal ● Sep. 6, 2026
She said at least one victim she knows suffered a heart attack after losing her money and has to use a wheelchair.
From Los Angeles Times ● Aug. 29, 2026
A family in Baltimore claimed that their sixty-year-old father suffered a heart attack after becoming excited during the broadcast and died two weeks later.
From "Spooked!" by Gail Jarrow
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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.