Acute coronary syndrome (ACS): An umbrella term for situations where the blood supplied to the heart muscle is suddenly blocked.
STEMI: A common name for ST-elevation myocardial infarction, a type of heart attack caused by a complete blockage in a coronary artery.
NSTEMI: A non-ST-elevated myocardial infarction, a type of heart attack in which an artery is partially blocked and severely reduces blood flow.
Myocardial infarction (MI): The damaging or death of an area of the heart muscle (myocardium) resulting from a blocked blood supply to that area. It’s also the medical term for a heart attack.
Coronary thrombosis: Formation of a clot in one of the arteries that supply blood to the heart muscle. Also called coronary occlusion.
Coronary occlusion: An obstruction of a coronary artery that hinders blood flow to some part of the heart muscle. Coronary occlusion is a cause of heart attack.