EchocardiographyUltrasonography, Doppler, TranscranialTranscranial Magnetic StimulationUltrasonography, Doppler, ColorUltrasonographyUltrasonography, DopplerEchocardiography, TransesophagealEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorEchocardiography, StressEchocardiography, Doppler, PulsedBlood Flow VelocityUltrasonography, Doppler, PulsedEvoked Potentials, MotorDoppler EffectUltrasonography, PrenatalSensitivity and SpecificityBlood VesselsDobutamineEchoencephalographyMotor CortexVentricular Function, LeftProspective StudiesCerebrovascular CirculationPredictive Value of TestsVentricular Dysfunction, LeftMitral ValveContrast MediaReproducibility of ResultsMagnetic Resonance ImagingObserver VariationBrain ChemistryDiastoleHeart VentriclesCerebral ArteriesStroke VolumeMiddle Cerebral ArteryBrain InjuriesHeart Septal Defects, AtrialHemodynamicsTime FactorsSystoleBrain MappingUltrasonography, Doppler, DuplexHeart DiseasesBrain NeoplasmsCardiac CatheterizationUltrasonography, InterventionalBrainIntracranial EmbolismFetal HeartFeasibility StudiesTomography, X-Ray ComputedMitral Valve InsufficiencyHeart AtriaPulsatile FlowTreatment OutcomeMonitoring, IntraoperativeHeart Defects, CongenitalCoronary CirculationPregnancyFollow-Up StudiesBrain IschemiaRegional Blood FlowMyocardial ContractionHeart Valve DiseasesElectrocardiographyCoronary VesselsExercise TestImage Processing, Computer-AssistedIntracranial Embolism and ThrombosisEchocardiography, Four-DimensionalAortic ValveLaser-Doppler FlowmetryBlood PressureImage EnhancementFunctional LateralityTricuspid Valve InsufficiencyHeart Valve ProsthesisRetrospective StudiesAnalysis of VarianceHeart NeoplasmsSulfur HexafluorideSeverity of Illness IndexEndosonographyCardiotonic AgentsStrokeFetal DiseasesLymphatic VesselsTricuspid ValveHeart SeptumAortic Valve StenosisImage Interpretation, Computer-AssistedCircle of WillisPyramidal TractsImaging, Three-DimensionalHeartVentricular Function, RightRetinal Vessels