Check valves are installed in many piping systems. Their purpose is to allow flow in only one direction, which can be critical for plant safety and to protect equipment from damage. There are a few ...

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 ...

Valvular heart disease is a form of heart disease that occurs when one or more of the heart’s four valves don’t function properly. Valve replacement surgery may be an option if the valves of your ...

Since the adoption of transcatheter aortic-valve replacement (TAVR), questions have been raised about its effect on clinical practice in comparison with the effect of surgical aortic-valve replacement ...