The valves consist of flaps that open to let blood flow in one direction as it moves through the chambers of the heart. Then the valves close to keep blood from flowing backwards into the chamber it ...

Mitral valve prolapse is a common cause of a heart murmur caused by a "leaky" heart valve. Most cases of mitral valve prolapse are not serious and only need to be monitored. Mitral valve prolapse is ...

A leaky heart valve makes blood flow backwards. Many people live unaware of this condition. It can strain the heart and cause complications. Symptoms include chest pain, fatigue, and shortness of ...

People left breathless and even housebound by a common heart condition can now benefit from a pioneering keyhole procedure that spares them the ordeal of open surgery. The new technique could treat ...