The S1 heart sound is two of your heart valves closing. It's the first sound doctors can hear with a stethoscope. Learn what ...

Mitral valve disease affects the heart's left chambers, leading to complications like atrial fibrillation and heart failure.

MitraClip is a less invasive procedure which has revolutionized mitral valve regurgitation treatment, offering quicker ...

Investigators saw more deaths in patients with severe TR after repeat mitral valve procedures; what to do about it is unclear ...