Dictionary
heart' attack"
Pathol.
damage to an area of heart muscle that is deprived of oxygen, usually due to blockage of a diseased coronary artery, typically accompanied by chest pain radiating down one or both arms, the severity of the attack varying with the extent and location of the damage; myocardial infarction. Cf.
coronary thrombosis.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.