WASHINGTON (AP) — A new study gives a big boost to fixing a bad aortic valve, the heart’s main gate, without open-heart surgery. Survival rates were better one year later for people who had a new ...

The mitral valve is inside a person’s heart. A person with mitral valve disease may require mitral valve repair surgery as a treatment. A person’s heart contains four chambers. The two upper chambers ...

The transmission valve body is among the most important components of your vehicle's transmission system, yet it often goes unnoticed until something goes wrong. As a key player in the functionality ...

The aortic valve sits between the heart’s left ventricle and the aorta. It opens and closes with the heartbeat to allow blood to flow to the body without leaking back into the heart. It may need to be ...