Coronary Artery Disease Directory
When arteries become filled with plaque and the arteries narrow, atherosclerosis occurs. When atherosclerosis happens in the coronary arteries, it is called coronary artery disease. When this happens, the heart cannot get enough oxygen to function properly. Follow the links below to find WebMD's comprehensive coverage about how coronary artery disease is caused, what its symptoms are, how to treat it, and much more.
Medical Reference
Features
Heart disease doesn't just affect your health. It can wipe out your family's finances and limit your ability to work. A rundown of the medical costs of heart disease, and advice about how to protect yourself.

