Ultrasonography, Doppler, TranscranialEchocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorUltrasonography, Doppler, ColorBlood Flow VelocityHeart Septal Defects, AtrialDoppler EffectUltrasonography, DopplerMitral ValveTranscranial Magnetic StimulationAtrial AppendageHeart AtriaEmbolismIntracranial EmbolismEchocardiography, StressUltrasonography, Doppler, PulsedMitral Valve InsufficiencyHeart DiseasesMonitoring, IntraoperativeEchocardiography, Doppler, PulsedHeart Valve ProsthesisSensitivity and SpecificityProspective StudiesAortic DiseasesHeart Valve DiseasesIntraoperative CarePredictive Value of TestsForamen Ovale, PatentHeart NeoplasmsCerebrovascular CirculationEsophagusAortic ValveUltrasonographyMiddle Cerebral ArteryIntracranial Embolism and ThrombosisCardiac CatheterizationThrombosisEmbolism, ParadoxicalDobutamineEchoencephalographyCerebral ArteriesCardiac Surgical ProceduresObserver VariationMitral Valve ProlapseAtrial Function, LeftEmbolism, AirReproducibility of ResultsVentricular Function, LeftIntraoperative PeriodUltrasonography, PrenatalAortic Valve InsufficiencyChordae TendineaeValsalva ManeuverHeart Valve Prosthesis ImplantationHeart VentriclesHemodynamicsAorta, ThoracicEndocarditisVentricular Dysfunction, LeftStroke VolumeFeasibility StudiesAtrial FibrillationHeart AneurysmSeptal Occluder DevicePulsatile FlowHeart SeptumMyxomaContrast MediaStrokePulmonary VeinsMitral Valve StenosisTreatment OutcomeEndocarditis, BacterialHeart Defects, CongenitalElectric CountershockUmbilical ArteriesDiastoleCerebrovascular DisordersElectrocardiographyAdnexa UteriFollow-Up StudiesHeart Septal Defects, VentricularTricuspid ValveThoraxTomography, X-Ray ComputedAortic Valve StenosisTime FactorsSystoleAortic AneurysmPelvic NeoplasmsTricuspid Valve InsufficiencyIschemic Attack, TransientThromboembolismHeart RuptureIntraoperative ComplicationsBenzocaineEvoked Potentials, Motor