Echocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalEchocardiography, DopplerTransducersEchocardiography, 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 VentriclesIntraoperative CareAortic DiseasesObserver VariationStroke VolumeAtrial Function, LeftSensitivity and SpecificityMonitoring, IntraoperativeThrombosisPredictive Value of TestsAortic Valve InsufficiencyMitral Valve ProlapseCardiac Surgical ProceduresFeasibility StudiesProspective StudiesHeart Valve Prosthesis ImplantationBlood Flow VelocityHeart Defects, CongenitalChordae TendineaeForamen Ovale, PatentHeart SeptumElectrocardiographyDiastoleHemodynamicsEndocarditisHeart AneurysmMyocardial ContractionAorta, ThoracicMitral Valve StenosisAtrial FibrillationMyxomaIntraoperative PeriodSystolePulmonary VeinsTricuspid ValveContrast MediaReproducibility of ResultsSTAT3 Transcription FactorEndocarditis, BacterialAortic Valve StenosisHeart Septal Defects, VentricularSeptal Occluder DeviceCoronary CirculationTricuspid Valve InsufficiencyExercise TestTransducers, PressureCardiotonic AgentsEmbolism, ParadoxicalFetal HeartElectric CountershockUltrasonography, InterventionalDipyridamoleHeartCoronary AngiographyFollow-Up StudiesThoraxHeart RuptureCardiac VolumeAortic AneurysmCoronary DiseaseTreatment OutcomeEvaluation Studies as TopicIntracranial EmbolismPericardial EffusionVentricular Function, RightEchocardiography, Four-DimensionalThromboembolismMyocardial IschemiaPulmonary ArteryAtrial SeptumCardiomyopathiesTime FactorsHypertrophy, Left VentricularThermodilutionMyocardial InfarctionCardiac Tamponade