Echocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorEchocardiography, StressMitral ValveHeart Septal Defects, AtrialHeart AtriaEchocardiography, Doppler, PulsedMitral Valve InsufficiencyHeart DiseasesDobutamineAtrial AppendageHeart Valve DiseasesEsophagusHeart Valve ProsthesisVentricular Function, LeftHeart NeoplasmsEmbolismCardiac CatheterizationAortic ValveVentricular Dysfunction, LeftHeart VentriclesAortic DiseasesIntraoperative CareDNA ProbesObserver VariationStroke VolumeSensitivity and SpecificityAtrial Function, LeftMonitoring, IntraoperativePredictive Value of TestsThrombosisAortic Valve InsufficiencyMitral Valve ProlapseCardiac Surgical ProceduresProspective StudiesHeart Valve Prosthesis ImplantationFeasibility StudiesHeart Defects, CongenitalChordae TendineaeForamen Ovale, PatentHeart SeptumBlood Flow VelocityElectrocardiographyDiastoleEndocarditisHemodynamicsHeart AneurysmAorta, ThoracicMitral Valve StenosisAtrial FibrillationIntraoperative PeriodMyxomaMyocardial ContractionPulmonary VeinsSystoleTricuspid ValveEndocarditis, BacterialAortic Valve StenosisContrast MediaReproducibility of ResultsHeart Septal Defects, VentricularSeptal Occluder DeviceTricuspid Valve InsufficiencyExercise TestCoronary CirculationEmbolism, ParadoxicalCardiotonic AgentsMolecular ProbesElectric CountershockFetal HeartDipyridamoleCoronary AngiographyFollow-Up StudiesHeartHeart RuptureAortic AneurysmCoronary DiseaseCardiac VolumeEvaluation Studies as TopicThoraxUltrasonography, InterventionalTreatment OutcomeIntracranial EmbolismPericardial EffusionVentricular Function, RightThromboembolismMyocardial IschemiaEchocardiography, Four-DimensionalCardiomyopathiesHypertrophy, Left VentricularPulmonary ArteryThermodilutionAtrial SeptumMyocardial InfarctionCardiac TamponadeTime FactorsHeart Valves