cardiovascular
: involving the heart and blood vessels
heart attack
: an acute episode of heart disease (as myocardial infarction) due to insufficient
blood supply to the heart muscle especially when caused by a coronary thrombosis
or a coronary occlusion
coronary thrombosis
: the blocking of a coronary artery of the heart by a thrombus
thrombus
: a clot of blood formed within a blood vessel and remaining attached to
its place of origin -- compare EMBOLUS