Definitions from Wiktionary (heart attack)

▸ noun:  (cardiology, pathology) 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.
▸ noun:  (figurative) A major fright.
▸ noun:  (figurative) Death or failure.
▸ Also see heart_attack

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