myocardial infarctionmedical dictionary

<cardiology> A term used to describe irreversible injury to heart muscle.

Synonyms: heart attack.

See: infarction.

Common symptoms include substernal, crushing chest pain that may radiate to the jaw or arms. Chest pains may be associated with nausea, sweating and shortness of breath.

Acronym: MI

(27 Sep 1997)