Echocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorMyocytes, CardiacEchocardiography, StressHeart DiseasesCardiac Surgical ProceduresCardiac OutputMitral ValveHeartHeart Septal Defects, AtrialHeart AtriaCardiac CatheterizationHeart VentriclesEchocardiography, Doppler, PulsedMitral Valve InsufficiencyVentricular Function, LeftDobutamineHeart NeoplasmsVentricular Dysfunction, LeftHeart Valve DiseasesArrhythmias, CardiacMyocardial ContractionAtrial AppendageStroke VolumeHeart Valve ProsthesisElectrocardiographyEsophagusAortic ValveEmbolismCardiac TamponadeHeart Defects, CongenitalDeath, Sudden, CardiacHemodynamicsPredictive Value of TestsCardiac Pacing, ArtificialProspective StudiesIntraoperative CareAortic DiseasesObserver VariationSensitivity and SpecificityMyocardiumAtrial Function, LeftCardiomyopathiesAortic Valve InsufficiencyThrombosisHeart FailureCardiac VolumeMitral Valve ProlapseCardiotonic AgentsMonitoring, IntraoperativeHeart Valve Prosthesis ImplantationDiastoleCardiomegalyFeasibility StudiesHeart SeptumBlood Flow VelocityMyocardial InfarctionFetal HeartSystoleMyxomaTime FactorsCoronary CirculationAtrial FibrillationTreatment OutcomeExercise TestChordae TendineaeForamen Ovale, PatentVentricular RemodelingMyocardial IschemiaHeart AneurysmFollow-Up StudiesEndocarditisAorta, ThoracicReproducibility of ResultsIntraoperative PeriodHeart RateMitral Valve StenosisAortic Valve StenosisHeart Function TestsPulmonary VeinsElectric CountershockContrast MediaTricuspid ValveHeart Septal Defects, VentricularCoronary AngiographyHypertrophy, Left VentricularEndocarditis, BacterialCoronary DiseaseTricuspid Valve InsufficiencyPericardial EffusionHeart ArrestHeart ValvesSeptal Occluder DeviceThermodilutionCardiac Imaging TechniquesCardiomyopathy, DilatedBlood Pressure