1 or more mitral<unk>  leaflets bow into left atrium during systole
Most common<unk>  disease in industrial countries (2.4% of pop.)
Myxomatous degeneration from connective tissue disorder
Mitral valve prolapse
Mitral stenosis
Mitral regurgitation
Aortic regurgitation
Aortic stenosis
Hypertrophic cardiomyopathy
Coarctation of the aorta
Atrial septal defect