Causes. Substances build up within the arteries. This includes cholesterol, fats and other things. When these substances break off from the artery and then block or clot the coronary artery, a heart attack will result.
Coronary artery disease causes more heart attacks. The blood clot actually occurs where the substances break away from the artery wall. It’s then this clot which stops the flow of blood and oxygen to the heart muscle. Some people experience partial blockages, while others have complete blockages. The type of blockage can play a big role in treatment from medical professionals.
