What causes heart attacks that have completely normal blood pressure levels and normal cholesterol levels? what is the rate of occurence

Heart attack: Heart attack is typically caused by a heart blood vessel blocking off. The usual disease causing this is called atherosclerosis and is related to blood pressure, blood fats, diabetes, smoking, lack of exercise, stress and other factors. We treat heart attack patients for life with aspirin, beta blockers, ace inhibitors and other medications sometimes. We also do procedures sometimes to open vessel.