Heart disease is the leading cause of death in the United States and is a major cause of disability. 1
The most common heart disease in the United States is coronary heart disease, which often appears as a heart attack. Coronary artery disease occurs when fatty deposits called plaque (say "plak") build up inside the coronary arteries. The coronary arteries wrap around the heart and supply it with blood and oxygen. When plaque builds up, it narrows the arteries and reduces the amount of blood that gets to your heart.
Coronary artery disease is caused by hardening of the arteries, or atherosclerosis. Atherosclerosis occurs when plaque builds up inside the arteries. (Arteries are the blood vessels that carry oxygen-rich blood throughout your body.) Atherosclerosis can affect any arteries in the body. When it occurs in the arteries that supply blood to the heart, it is called coronary artery disease.
To diagnose coronary artery disease, doctors start by doing a physical exam and asking questions about your past health and your risk factors. Risk factors are things that increase the chance that you will have coronary artery disease.
Treatment for heart disease focuses on taking steps to manage your symptoms and reduce your risk for heart attack and stroke. Some risk factors you can't control, such as your age and family history. Other risk factors you can control, such as high blood pressure, high cholesterol, and smoking. Lifestyle changes can help lower your risks. You may also need to take medicines or have a procedure to open your arteries.
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February 2010
Resources: Center for Disease Control 1, Healthwise and Health Day
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