heart attack
Americannoun
noun
-
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.
-
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.
After her mother died from cancer and their father died from a heart attack, Darline Graham went to live with an aunt and uncle.
From The Wall Street Journal ● Jul. 13, 2026
Their mother died when Graham was 20 and his sister was 12, followed less than two years later by their father's death from a heart attack.
From Barron's ● Jul. 13, 2026
The senator’s own father died of a heart attack at 69 when Graham was 22 — pointing to a family history of cardiovascular disease that likely made Saturday night’s outcome tragic, but not inexplicable.
From Salon ● Jul. 13, 2026
Reyes said her mother, whom she did not name, had died from a heart attack caused by the shock and impact of the earthquakes.
From BBC ● Jun. 26, 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
![]()
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.