Echocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorHeart Septal Defects, AtrialMitral ValveAtrial AppendageHeart AtriaEchocardiography, StressMitral Valve InsufficiencyHeart DiseasesEmbolismHeart Valve ProsthesisAortic DiseasesHeart Valve DiseasesHeart NeoplasmsIntraoperative CareEsophagusAortic ValveEchocardiography, Doppler, PulsedThrombosisMonitoring, IntraoperativeCardiac CatheterizationDobutamineSensitivity and SpecificityCardiac Surgical ProceduresMitral Valve ProlapseAtrial Function, LeftForamen Ovale, PatentAortic Valve InsufficiencyVentricular Function, LeftObserver VariationChordae TendineaeHeart Valve Prosthesis ImplantationPredictive Value of TestsEndocarditisHeart VentriclesAorta, ThoracicIntraoperative PeriodProspective StudiesAtrial FibrillationSeptal Occluder DeviceHeart AneurysmVentricular Dysfunction, LeftStroke VolumeMyxomaEmbolism, ParadoxicalHeart SeptumFeasibility StudiesMitral Valve StenosisEndocarditis, BacterialPulmonary VeinsElectric CountershockHeart Defects, CongenitalIntracranial EmbolismBlood Flow VelocityThoraxReproducibility of ResultsHeart Septal Defects, VentricularHemodynamicsElectrocardiographyAortic AneurysmTricuspid ValveAortic Valve StenosisThromboembolismHeart RuptureContrast MediaBenzocaineTricuspid Valve InsufficiencyEvaluation Studies as TopicDiastoleTreatment OutcomeUltrasonography, InterventionalEmbolism, AirAneurysm, DissectingMyocardial ContractionFollow-Up StudiesSystoleAtrial SeptumCoronary CirculationTomography, X-Ray ComputedCoronary AngiographyIntracranial Embolism and ThrombosisPulmonary EmbolismCor TriatriatumCrisscross HeartThermodilutionHeartCardiac TamponadeTime FactorsExercise TestHeart ValvesHematomaCatheterization, Swan-GanzVentricular Function, RightMethemoglobinemiaCardiovascular Surgical ProceduresCoronary DiseaseCardiotonic Agents