Add Yahoo as a preferred source to see more of our stories on Google. The photograph was genuine and showed a so-called "ghost heart" — that is, what scientists call hearts without cells used for ...

Local heart surgeons are reporting early success with a replacement aortic valve made of bovine, or cow, tissue. The valve can last 20 years and doesn't require lifelong anticoagulants, a requirement ...

Valvular regurgitation is when blood flows backward through the chambers of your heart. It can be mild and not cause symptoms, or it can be life threatening. Your heart is a muscular organ that ...

Heart valves allow blood to flow one way and prevent it from flowing in the wrong direction. The tricuspid valve controls blood flow between the right atrium and right ventricle. The bicuspid or ...