Myocardial infarction (MI) is the irreversible necrosis of heart muscle secondary to prolonged ischemia. This usually results from an imbalance of oxygen supply and demand.

This animation gives a detailed description of anatomy of heart, the diseased conditions – atherosclerosis, myocardial infarction, its symptoms, first aid, and diagnosis including coronary angiography and blood tests. This presentation also deals briefly on treatment, action of drugs, complications and self-care.