heart attack
Americannoun
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
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.
Doyle died of a heart attack in 1997 and Forsythe died of pneumonia in 2010.
From Los Angeles Times • Apr. 10, 2026
The 72-year-old from Earlsdon, Coventry, said he feared a stroke or a heart attack if the situation continued.
From BBC • Mar. 30, 2026
The protective effects were especially strong for inflammatory conditions like arthritis, serious cardiovascular problems such as heart attack and stroke, and dementia.
From Science Daily • Mar. 30, 2026
The more calcium you have in your heart, the lower your LDL cholesterol should be to help reduce your risk of having a heart attack or stroke.
From The Wall Street Journal • Mar. 30, 2026
He had never regained the weight he had lost during the weeks he had spent in the hospital after his heart attack, and he was always tired, his face pale and gaunt, his eyes watery.
From "The Chosen" by Chaim Potok
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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.