The floppy mitral valve.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003240:Connective Tissue Diseases / Q000150:complications; D003645:Death, Sudden / Q000209:etiology; D004697:Endocarditis, Bacterial / Q000150:complications; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000150:complications; D006349:Heart Valve Diseases / Q000150:complications; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D008910:Minnesota; D008945:Mitral Valve Prolapse / Q000150:complications / Q000453:epidemiology / Q000473:pathology*; D012737:Sex Factors