Coronary artery disease, also called coronary heart disease, or simply, heart disease, is the No. 1 killer in America, affecting more than 13 million Americans. Coronary artery disease is atherosclerosis of the coronary arteries, producing blockages in the vessels which nourish the heart itself. Atherosclerosis occurs when the arteries become clogged and narrowed, restricting blood

If you are having severe pain, crushing, squeezing, or pressure in your chest that lasts more than a few minutes, or if the pain moves into your neck, left shoulder, arm, or jaw, go immediately to a hospital emergency department. Do not drive yourself. Call 911 for emergency transport. Chest pain is one of the