Your mitral valve is one of the four major valves in your heart. It helps blood flow through your heart and out to the rest of your body. When this valve isn’t working correctly, it puts stress on ...

The Chevrolet small-block engine was a brilliant piece of engineering, attested by the fact that well over 100,000,000 have been built. However the first generation was not as oil-tight as later ...

When parts of the heart, such as the valves, do not work properly, it is possible to repair or replace them. The aortic and mitral valves are the ones that surgeons most commonly replace. Most valve ...

In patients undergoing aortic-valve or mitral-valve replacement, either a mechanical or biologic prosthesis is used. Biologic prostheses have been increasingly favored despite limited evidence ...