Mitral Valve ProlapseMitral ValveMitral Valve InsufficiencyProlapseChordae TendineaeMitral Valve StenosisMitral Valve AnnuloplastyHeart Valve DiseasesAortic ValvePhonocardiographyEchocardiographyHeart AuscultationAortic Valve ProlapseTricuspid Valve ProlapseUterine ProlapseRectal ProlapseHeart MurmursEchocardiography, Three-DimensionalEchocardiography, TransesophagealPelvic Organ ProlapseEchocardiography, Doppler, ColorHeart Valve Prosthesis ImplantationHeart Valve ProsthesisAortic Valve InsufficiencyAortic Valve StenosisHeart Valve ProlapseTricuspid ValveMarfan SyndromeRheumatic Heart DiseaseHeart ValvesBioprosthesisPulmonary ValvePapillary MusclesVentricular Outflow ObstructionEndocarditis, BacterialHeart SeptumEchocardiography, DopplerCardiomyopathy, HypertrophicCardiac Surgical ProceduresTricuspid Valve InsufficiencyLentigoEndocarditisHeart Defects, CongenitalTreatment OutcomeTeaching MaterialsFollow-Up StudiesCardiac Valve AnnuloplastyElectrocardiographyDeath, SuddenEndocardial Cushion DefectsHeart Septal Defects, Ventricular