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 InsufficiencyObserver VariationVentricular Function, LeftChordae TendineaeSensitivity and SpecificityHeart Valve Prosthesis ImplantationEndocarditisHeart VentriclesAorta, ThoracicIntraoperative PeriodPredictive Value of TestsProspective StudiesSeptal Occluder DeviceHeart AneurysmAtrial FibrillationVentricular Dysfunction, LeftStroke VolumeMyxomaEmbolism, ParadoxicalHeart SeptumFeasibility StudiesMitral Valve StenosisEndocarditis, BacterialPulmonary VeinsElectric CountershockImage Processing, Computer-AssistedHeart Defects, CongenitalIntracranial EmbolismBlood Flow VelocityThoraxReproducibility of ResultsHeart Septal Defects, VentricularHemodynamicsElectrocardiographyAortic AneurysmTricuspid ValveAortic Valve StenosisContrast MediaThromboembolismHeart RuptureBenzocaineTricuspid Valve InsufficiencyDiastoleEmbolism, AirUltrasonography, InterventionalAneurysm, DissectingMyocardial ContractionAtrial SeptumSystoleEvaluation Studies as TopicTreatment OutcomeFollow-Up StudiesCoronary CirculationTomography, X-Ray ComputedCoronary AngiographyIntracranial Embolism and ThrombosisPulmonary EmbolismHeartCrisscross HeartCor TriatriatumThermodilutionCardiac TamponadeHeart ValvesHematomaCatheterization, Swan-GanzExercise TestMethemoglobinemiaVentricular Function, RightCardiovascular Surgical ProceduresCoronary DiseaseAortography