Echocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorEchocardiography, StressMitral ValveHeart DiseasesHeart Septal Defects, AtrialHeart AtriaEchocardiography, Doppler, PulsedMitral Valve InsufficiencyDobutamineCardiac Surgical ProceduresCardiac CatheterizationVentricular Function, LeftHeart VentriclesHeart NeoplasmsAtrial AppendageHeart Valve DiseasesMyocytes, CardiacHeart Valve ProsthesisVentricular Dysfunction, LeftCardiac OutputEsophagusHeartEmbolismAortic ValveStroke VolumeIntraoperative CareAortic DiseasesPredictive Value of TestsElectrocardiographyMyocardial ContractionObserver VariationAtrial Function, LeftHeart Defects, CongenitalSensitivity and SpecificityProspective StudiesAortic Valve InsufficiencyThrombosisHemodynamicsMitral Valve ProlapseMonitoring, IntraoperativeHeart Valve Prosthesis ImplantationFeasibility StudiesHeart SeptumBlood Flow VelocityDiastoleCardiac TamponadeChordae TendineaeForamen Ovale, PatentMyxomaCardiotonic AgentsSystoleArrhythmias, CardiacAtrial FibrillationEndocarditisHeart AneurysmCardiac Pacing, ArtificialAorta, ThoracicCoronary CirculationCardiac VolumeCardiomyopathiesIntraoperative PeriodMitral Valve StenosisExercise TestFetal HeartPulmonary VeinsMyocardiumTricuspid ValveAortic Valve StenosisHeart FailureContrast MediaReproducibility of ResultsHeart Septal Defects, VentricularEndocarditis, BacterialTreatment OutcomeTricuspid Valve InsufficiencyMyocardial InfarctionElectric CountershockFollow-Up StudiesSeptal Occluder DeviceMyocardial IschemiaTime FactorsCoronary AngiographyEmbolism, ParadoxicalCoronary DiseaseDeath, Sudden, CardiacPericardial EffusionDipyridamoleVentricular RemodelingHypertrophy, Left VentricularHeart RuptureHeart Function TestsHeart ValvesVentricular Function, RightThermodilutionAortic AneurysmThorax