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 CatheterizationDobutamineMitral Valve ProlapseCardiac Surgical ProceduresAtrial Function, LeftForamen Ovale, PatentAortic Valve InsufficiencyVentricular Function, LeftChordae TendineaeObserver VariationHeart Valve Prosthesis ImplantationSensitivity and SpecificityEndocarditisPredictive Value of TestsAorta, ThoracicHeart VentriclesIntraoperative PeriodProspective StudiesHeart AneurysmSeptal Occluder DeviceAtrial FibrillationVentricular Dysfunction, LeftStroke VolumeMyxomaEmbolism, ParadoxicalHeart SeptumFeasibility StudiesMitral Valve StenosisEndocarditis, BacterialPulmonary VeinsElectric CountershockHeart Defects, CongenitalIntracranial EmbolismBlood Flow VelocityThoraxHeart Septal Defects, VentricularHemodynamicsElectrocardiographyAortic AneurysmTricuspid ValveAortic Valve StenosisReproducibility of ResultsThromboembolismHeart RuptureBenzocaineTricuspid Valve InsufficiencyContrast MediaDiastoleEmbolism, AirUltrasonography, InterventionalAneurysm, DissectingTreatment OutcomeFollow-Up StudiesEvaluation Studies as TopicMyocardial ContractionAtrial SeptumSystoleCoronary CirculationCoronary AngiographyIntracranial Embolism and ThrombosisPulmonary EmbolismTomography, X-Ray ComputedCor TriatriatumCrisscross HeartThermodilutionCardiac TamponadeHeartHeart ValvesHematomaCatheterization, Swan-GanzExercise TestMethemoglobinemiaVentricular Function, RightCardiovascular Surgical ProceduresTime FactorsCoronary DiseaseAortography