Is coronary artery disease also known as arteriosclerosis and myocardial infarction?

Yes and no: Atherosclerosis is narrowing and hardening of the blood vessels. It occurs in people with high cholesterol , with hypertension and can run in families. Myocardial infarction is a " heart attack" caused by a decreased blood supply to the heart. The most common cause of myocardial infarction is coronary artery disease (atherosclerosis).