Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

There’s an old myth that heart disease is a “man’s disease.” The truth is this: It’s the leading cause of death for both men and women in the U.S. If you’re a woman, you’re just as likely as a man to ...

A coronary artery dissection is a serious heart condition that requires emergency treatment. This condition happens when one of the arteries in the heart develops a tear in its inner lining — one of ...

Dr. Paul Friedman answers the question: 'Heart Block versus Artery Blockage?' — -- Question: I have been diagnosed with heart block. How does this differ from blockage in one of my arteries?

The connection and difference between atrial fibrillation and coronary artery disease can be confusing. Atrial fibrillation (AFib) is a form of arrhythmia, or abnormal heart rhythm. Coronary artery ...

During a coronary artery bypass, the diseased sections of your coronary arteries are bypassed with healthy artery or vein grafts to increase blood flow to the heart muscle tissue. This procedure is ...

Arteries are the blood vessels that carry oxygen and nutrients from the heart to the rest of the body. When they are clear and healthy, blood moves easily to where it is needed. Clogged arteries, or ...

Coronary artery disease (CAD) is a type of heart disease that occurs when your coronary arteries don’t supply enough blood to your heart. CAD often develops because of a waxy substance buildup called ...