Mitral ValveMitral Valve ProlapseMitral Valve InsufficiencyHeart AtriaMitral Valve StenosisAortic ValveHeart Valve DiseasesMitral Valve AnnuloplastyChordae TendineaeAortic Valve StenosisTricuspid ValveHeart Valve Prosthesis ImplantationPulmonary VeinsEchocardiography, TransesophagealEchocardiographyHeart Valve ProsthesisAtrial FibrillationAtrial FunctionAortic Valve InsufficiencyRheumatic Heart DiseaseAtrial Function, LeftBioprosthesisPulmonary ValveHeart NeoplasmsCardiac Surgical ProceduresEchocardiography, Three-DimensionalMyxomaEchocardiography, Doppler, ColorCatheter AblationVentricular Function, LeftHeart VentriclesTreatment OutcomeCardiac Valve AnnuloplastyTricuspid Valve InsufficiencyCardiac CatheterizationEchocardiography, DopplerPhonocardiographyEndocarditisCatheterizationEndocarditis, BacterialMyocardial ContractionProlapseHeart AuscultationVentricular Dysfunction, LeftVenous ValvesElectrophysiologic Techniques, CardiacHeartHeart Conduction SystemPapillary MusclesDogsElectrocardiographyReoperationFollow-Up StudiesHemodynamicsVena Cava, SuperiorAtrial AppendageHeart SeptumSuture TechniquesPericardiumCardiopulmonary BypassHeart Septal Defects, AtrialAtrial SeptumHeart AneurysmHeart Defects, CongenitalCoronary SinusPostoperative ComplicationsProsthesis DesignCardiac Pacing, ArtificialAtrial Function, RightTime FactorsBody Surface Potential MappingHeart RuptureStroke VolumeHeart DiseasesHeart InjuriesAngiocardiographyThoracotomyDiastoleModels, CardiovascularEndocardiumCalcinosisKinetocardiographySystoleHeart MurmursHypertrophy, Left VentricularRetrospective StudiesCardiomyopathy, HypertrophicThromboembolismCardiovascular Surgical ProceduresHeart Septal DefectsFistulaSeverity of Illness IndexProsthesis FailureSternumPulmonary Valve StenosisBalloon ValvuloplastyVentricular Outflow ObstructionHeart RateCor TriatriatumAtrial Flutter