title: The natural history and surgical management of the redundant cusp syndrome (floppy mitral valve).
mesh_terms: D000328:Adult; D000368:Aged; D001281:Atrial Fibrillation / Q000150:complications; D002815:Chordae Tendineae / Q000473:pathology; D004698:Endocarditis, Subacute Bacterial / Q000150:complications; D004739:England; D005500:Follow-Up Studies; D006326:Heart Auscultation; D006350:Heart Valve Prosthesis; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve; D008944:Mitral Valve Insufficiency / Q000401:mortality / Q000473:pathology* / Q000601:surgery; D009206:Myocardium / Q000473:pathology; D012422:Rupture, Spontaneous; D013577:Syndrome