Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...

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 ...

The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center. The heart ...

Coronary artery disease (CAD) is caused by plaque buildup in the wall of arteries that supply blood to the heart. When you purchase through links on our site, we may earn an affiliate commission. Here ...

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 ...

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 ...

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?

It is a popular myth that all heart attacks present with dramatic chest pain and collapse, but many happen silently or with symptoms so subtle that they are often missed. This is normally the case in ...

Despite increased awareness over the past decades, only about half (56%) of women recognize that heart disease is their No. 1 killer. Heart disease is the leading cause of death for women in the ...