attack - a sudden occurrence of an uncontrollable condition; "an attack of diarrhea"

coronary, coronary thrombosis - obstruction of blood flow in a coronary artery by a blood clot (thrombus)

coronary failure, heart failure - inability of the heart to pump enough blood to sustain normal bodily functions

MI, myocardial infarct, myocardial infarction - destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle