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Definition of Heart attack
1. Noun. A sudden severe instance of abnormal heart function.
Generic synonyms: Attack, Coronary Failure, Heart Failure
Terms within: Coronary, Coronary Thrombosis, Mi, Myocardial Infarct, Myocardial Infarction
Terms within: Coronary, Coronary Thrombosis, Mi, Myocardial Infarct, Myocardial Infarction
Definition of Heart attack
1. Noun. An acute myocardial infarction, sometimes fatal, caused by the sudden occurrence of coronary thrombosis, which obstructs the blood supply to the heart and leads to necrosis of heart muscle tissue. ¹
2. Noun. (figuratively) Death or failure. ¹
¹ Source: wiktionary.com
Medical Definition of Heart attack
1. This refers to that damage that occurs to the heart when one of the coronary arteries becomes occluded. Common symptoms include crushing, substernal chest pain that may radiate to the jaw or the left arm, accompanied by nausea, sweating and shortness of breath. Fainting is a more uncommon presentation. (27 Sep 1997)