Generally,<unk>  is benign. However,<unk>  patients with a murmur, not just an isolated click, have an increased mortality rate of 15-20%. The major predictors of mortality are the severity of<unk>  regurgitation and reduction in ejection fraction.
Mitral valve prolapse
Da Costa's syndrome  Da Costa's syndrome  1
Mitral regurgitation
Aortic regurgitation
Mitral stenosis
Tricuspid regurgitation
Tricuspid valve stenosis
Pulmonary valve stenosis