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.
Before his death from a heart attack in October 2024, Salmond was pursuing a separate civil case against the Scottish government, seeking damages arising from unlawful handling of complaints against him.
From BBC ● Aug. 27, 2026
It sounds very weird to say this, but a heart attack is one of the best things that happened in my life.
From The Wall Street Journal ● Aug. 24, 2026
Regular stair climbing was also associated with a lower likelihood of developing serious cardiovascular conditions, including heart attack, stroke, and heart failure.
From Science Daily ● Aug. 14, 2026
That's when cold water can cause a sudden heart attack by increasing your heart rate, or making you gasp for breath and inhaling water directly into the lungs, leading to drowning.
From BBC ● Aug. 13, 2026
“Well, first, I fell down and Bernard almost gave himself a heart attack laughing at me.”
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.