The newly oxygen-rich blood (shown in red) returns to the heart and enters the left atrium. Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich ...

ANSWER: A stress test and a CT calcium score are both ways of evaluating a person for blockages in the arteries of the heart.

Medically reviewed by Rafle Fernandez, MD Valvular heart disease, sometimes called heart valve disease, is when one or more ...

Men who currently use or have a history of using anabolic androgenic steroids exhibit impaired myocardial flow reserve, indicating coronary microvascular dysfunction. This impairment appears to ...

It’s like how a pipe can get clogged with gunk so the water can’t get through. A blocked coronary artery can stop the blood from getting to the heart. There’s just no way for it to get past the clog.

blood flows into the heart from a vein, goes into an atrium, then a ventricle, and out through an artery. The valves prevent the blood flowing backwards. The heart is relaxed and blood flows into ...

A dull feeling in your left arm could be from overuse or strain. Learn what causes pain on this part of the arm here and ...