EchocardiographyUltrasonography, Doppler, TranscranialTranscranial Magnetic StimulationUltrasonography, Doppler, ColorEchocardiography, TransesophagealUltrasonographyUltrasonography, DopplerEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorEchocardiography, StressEchocardiography, Doppler, PulsedBlood Flow VelocityUltrasonography, Doppler, PulsedEvoked Potentials, MotorDoppler EffectUltrasonography, PrenatalSensitivity and SpecificityDobutamineEchoencephalographyMotor CortexVentricular Function, LeftProspective StudiesPredictive Value of TestsVentricular Dysfunction, LeftMitral ValveCerebrovascular CirculationContrast MediaReproducibility of ResultsMagnetic Resonance ImagingObserver VariationBrain ChemistryDiastoleHeart VentriclesStroke VolumeBrain InjuriesHeart Septal Defects, AtrialMiddle Cerebral ArteryCerebral ArteriesSystoleBrain MappingUltrasonography, Doppler, DuplexHemodynamicsTime FactorsHeart DiseasesBrain NeoplasmsIntracranial EmbolismCardiac CatheterizationFetal HeartMitral Valve InsufficiencyBrainHeart AtriaUltrasonography, InterventionalFeasibility StudiesMonitoring, IntraoperativePulsatile FlowHeart Defects, CongenitalTomography, X-Ray ComputedMyocardial ContractionHeart Valve DiseasesBrain IschemiaElectrocardiographyTreatment OutcomeCoronary CirculationPregnancyFollow-Up StudiesExercise TestIntracranial Embolism and ThrombosisAortic ValveEchocardiography, Four-DimensionalRegional Blood FlowFunctional LateralityTricuspid Valve InsufficiencyHeart Valve ProsthesisImage Processing, Computer-AssistedLaser-Doppler FlowmetryHeart NeoplasmsImage EnhancementSulfur HexafluorideAnalysis of VarianceCardiotonic AgentsEndosonographyRetrospective StudiesBlood PressureSeverity of Illness IndexTricuspid ValveHeart SeptumFetal DiseasesAortic Valve StenosisPyramidal TractsVentricular Function, RightStrokeElectromyographyElectric StimulationCircle of WillisImage Interpretation, Computer-AssistedHypertrophy, Left VentricularReference ValuesHeartAtrial Function, Left