Acute myocardial infarction: What causes a heart attack? Know these risk factors

Acute myocardial infarction or a heart attack is usually the result of a blockage in one or more of the coronary arteries but what causes this blockage?

Acute myocardial infarction: What causes a heart attack? Know these risk factors
Acute myocardial infarction or a heart attack is usually the result of a blockage in one or more of the coronary arteries but what causes this blockage?