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 ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

A patient with a prolonged history of shoulder pain attributed to arthritis, sought medical attention. Because this pain could also be a sign of cardiovascular issues, the physician recommended an ...