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.
Poor cardiorespiratory fitness has been closely linked to a greater risk of heart attack, stroke, and early death.
From Science Daily ● Aug. 8, 2026
Brazilian UFC flyweight Allan Nascimento has died after suffering an apparent heart attack in his sleep, the organization announced.
From Los Angeles Times ● Aug. 4, 2026
"My wife she was nearly having a heart attack on the ground," he said.
From BBC ● Aug. 4, 2026
Savannah, who lost her father to a heart attack when she was 16, posted a video that night and acknowledged reports of a ransom note.
From The Wall Street Journal ● Aug. 2, 2026
“I wish you were there last night. You could have helped me fake a heart attack or something to get away from Nana Dee. She and my grandpa came by yesterday—unannounced.”
From "Split the Sky" by Marie Arnold
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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.