This book discusses the different aspects of mitral regurgitation as well as diagnostic and imaging studies to evaluate the patients at risk. Treatment options for patients with mitral regurgitation are discussed including some of the new non-surgical treatments. Various medical devices and technologies have evolved recently making the traditional surgery not the only option in these patients. This book will be helpful to surgeons, cardiologists, as well as other clinicians and students interested in the diagnosis and treatment of mitral regurgitation.