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.
Then, in February 2019, Buckingham suffered a heart attack and had to undergo triple bypass surgery.
From Los Angeles Times • Apr. 1, 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
"To have a situation such as a heart attack does worry me," he said.
From BBC • Mar. 30, 2026
Partaking in them is not without risk—ozone therapy, for example, has the potential side effect of something called an air embolism, which can lead to a stroke or heart attack.
From Slate • Mar. 30, 2026
So he upped the ante and gave himself a fake heart attack.
From "Red Flags and Butterflies" by Sheryl Azzam
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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.