To be able to observe the blood flow in the artificial heart in real time in the MRI, the researchers an Linköping University had to build a full-scale model of the human circulatory system. Using ...

This screening test measures how well blood flows through your heart. It may be used to diagnose coronary artery disease or to assess damage caused by a heart attack. Share on Pinterest JazzIRT/Getty ...

In a healthy heart, blood flows in only one direction. The four valves of the heart prevent blood from flowing backward. But a leaky heart valve, or heart valve regurgitation, causes a backflow of ...

Hypertension can affect your mind, heart, eyes and more, often without causing any obvious symptoms at all.

Subclavian steal syndrome occurs when blood flow reverses in one of the arteries supplying blood to the neck, head, and arms. The condition is usually caused by a narrowing in one of the arteries and ...