EchocardiographyEchocardiography, DopplerColorEchocardiography, Doppler, ColorUltrasonography, Doppler, ColorEchocardiography, TransesophagealBlood Flow VelocityEchocardiography, Three-DimensionalMitral Valve InsufficiencyUltrasonography, DopplerEchocardiography, StressEchocardiography, Doppler, PulsedMitral ValveTricuspid Valve InsufficiencyHeart Valve DiseasesHeart Septal Defects, VentricularHeart ValvesColor PerceptionCardiac CatheterizationCoronary CirculationDoppler EffectModels, CardiovascularCoronary Vessel AnomaliesHeart DiseasesUltrasonography, Doppler, PulsedUltrasonographyPulmonary ArteryDobutamineRegional Blood FlowVentricular Function, LeftVentricular Dysfunction, LeftColor VisionUltrasonography, Doppler, TranscranialColor Perception TestsHeart VentriclesStroke VolumeDiastoleSensitivity and SpecificityObserver VariationSystolePredictive Value of TestsColor Vision DefectsHair ColorProspective StudiesUltrasonography, PrenatalHeart AtriaInfant, NewbornHeart Septal Defects, AtrialFetal HeartMyocardial ContractionReproducibility of ResultsHemodynamicsHeart Defects, CongenitalContrast MediaElectrocardiographyAortic ValveExercise TestFeasibility StudiesHeart NeoplasmsEchocardiography, Four-DimensionalCardiotonic AgentsHeart SeptumLaser-Doppler FlowmetryTricuspid ValveHeart Valve ProsthesisAortic Valve StenosisVentricular Function, RightEye ColorAtrial Function, LeftHypertrophy, Left VentricularPulsatile FlowHeartMitral Valve StenosisCardiomyopathiesPigmentationHeart FailureCardiac VolumeAortic Valve InsufficiencyVentricular Dysfunction, RightMitral Valve ProlapseMyocardial InfarctionDipyridamoleMyocardial IschemiaTime FactorsVentricular RemodelingFollow-Up StudiesHeart MurmursCardiomyopathy, HypertrophicCoronary AngiographyPericardial EffusionCoronary DiseaseUmbilical ArteriesCardiomyopathy, DilatedBlood PressurePregnancyHeart Valve Prosthesis ImplantationFluorocarbonsCardiac OutputTreatment OutcomeMyocardium