Echocardiography, TransesophagealStrokeEchocardiographyIschemic Attack, TransientCerebrovascular DisordersEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorFollow-Up StudiesRisk FactorsEchocardiography, StressRecurrenceMitral ValveHeart Septal Defects, AtrialCohort StudiesHeart AtriaHeart DiseasesEchocardiography, Doppler, PulsedMitral Valve InsufficiencyDobutamineAtrial AppendageEmbolismHeart Valve DiseasesStroke VolumeHeart Valve ProsthesisEsophagusVentricular Function, LeftHeart NeoplasmsCardiac CatheterizationAortic ValveProspective StudiesPredictive Value of TestsVentricular Dysfunction, LeftHeart VentriclesAortic DiseasesObserver VariationIntraoperative CareAtrial Function, LeftThrombosisSensitivity and SpecificityMonitoring, IntraoperativeAortic Valve InsufficiencyMitral Valve ProlapseBrain IschemiaCardiac Surgical ProceduresAtrial FibrillationFeasibility StudiesForamen Ovale, PatentHeart Valve Prosthesis ImplantationBlood Flow VelocityElectrocardiographyHeart Defects, CongenitalChordae TendineaeHeart SeptumHemodynamicsTreatment OutcomeDiastoleEndocarditisHeart AneurysmAorta, ThoracicSystoleMyocardial ContractionMitral Valve StenosisMyxomaReproducibility of ResultsIntracranial EmbolismIntraoperative PeriodPulmonary VeinsTricuspid ValveAortic Valve StenosisEmbolism, ParadoxicalContrast MediaEndocarditis, BacterialExercise TestSeptal Occluder DeviceTime FactorsHeart Septal Defects, VentricularCoronary CirculationTricuspid Valve InsufficiencyCardiotonic AgentsDipyridamoleElectric CountershockCoronary DiseaseFetal HeartTomography, X-Ray ComputedThromboembolismCoronary AngiographyHeartSeverity of Illness IndexCardiac VolumeMyocardial InfarctionAortic AneurysmHeart RuptureThoraxRetrospective StudiesVentricular Function, RightUltrasonography, InterventionalEvaluation Studies as TopicMyocardial IschemiaPericardial Effusion