Echocardiography, TransesophagealEchocardiographyAortic ValveEchocardiography, Three-DimensionalAortic Valve StenosisHeart Valve ProsthesisHeart Valve Prosthesis ImplantationAortic Valve InsufficiencyEchocardiography, DopplerMultidetector Computed TomographyCardiac CatheterizationEchocardiography, Doppler, ColorMitral ValveHeart Valve DiseasesProsthesis DesignProsthesis FittingBioprosthesisEchocardiography, StressMitral Valve InsufficiencyCardiac-Gated Imaging TechniquesEchocardiography, Doppler, PulsedHeart Septal Defects, AtrialObserver VariationHeart AtriaPredictive Value of TestsSinus of ValsalvaHeart DiseasesDobutamineTreatment OutcomeReproducibility of ResultsVentricular Function, LeftCatheterizationAtrial AppendageTricuspid ValveTomography, X-Ray ComputedHeart VentriclesVentricular Dysfunction, LeftEsophagusHeart NeoplasmsEmbolismStroke VolumeSensitivity and SpecificityMitral Valve ProlapseFollow-Up StudiesAtrial Function, LeftSeverity of Illness IndexProspective StudiesIntraoperative CareAortic DiseasesAortaCardiac Surgical ProceduresChordae TendineaeIntervertebral DiscDiastoleFeasibility StudiesMonitoring, IntraoperativeBlood Flow VelocityThrombosisRetrospective StudiesElectrocardiographyHeart SeptumSystoleHeart Defects, CongenitalTricuspid Valve InsufficiencyMitral Valve StenosisHemodynamicsMyocardial ContractionForamen Ovale, PatentEndocarditisAtrial FibrillationRisk AssessmentHeart AneurysmContrast MediaPulmonary VeinsPatient SelectionAorta, ThoracicIntraoperative PeriodEndocarditis, BacterialMyxomaExercise TestCoronary CirculationMitral Valve AnnuloplastyHeart Septal Defects, VentricularSeptal Occluder DeviceVentricular Function, RightCardiotonic AgentsTime FactorsEmbolism, ParadoxicalCoronary AngiographyHeart RuptureHeartFetal HeartElectric CountershockAortic AneurysmDipyridamoleEvaluation Studies as TopicCoronary DiseaseMyocardial IschemiaUltrasonography, InterventionalCatheter Ablation