EchocardiographyEchocardiography, DopplerColorEchocardiography, Doppler, ColorBlood Flow VelocityUltrasonography, Doppler, ColorEchocardiography, TransesophagealEchocardiography, Three-DimensionalMitral Valve InsufficiencyUltrasonography, DopplerEchocardiography, Doppler, PulsedMitral ValveEchocardiography, StressTricuspid Valve InsufficiencyHeart Valve DiseasesHeart Septal Defects, VentricularHeart ValvesColor PerceptionCardiac CatheterizationCoronary CirculationDoppler EffectModels, CardiovascularUltrasonography, Doppler, PulsedCoronary Vessel AnomaliesUltrasonographyHeart DiseasesRegional Blood FlowPulmonary ArteryVentricular Function, LeftDobutamineUltrasonography, Doppler, TranscranialVentricular Dysfunction, LeftDiastoleColor VisionHeart VentriclesStroke VolumeColor Perception TestsSystoleSensitivity and SpecificityObserver VariationPredictive Value of TestsProspective StudiesUltrasonography, PrenatalMyocardial ContractionColor Vision DefectsHemodynamicsReproducibility of ResultsHeart AtriaHair ColorInfant, NewbornFetal HeartHeart Septal Defects, AtrialPulsatile FlowHeart Defects, CongenitalContrast MediaElectrocardiographyExercise TestAortic ValveLaser-Doppler FlowmetryFeasibility StudiesTricuspid ValveVentricular Function, RightAtrial Function, LeftCardiotonic AgentsTime FactorsHeart NeoplasmsHeart SeptumAortic Valve StenosisEchocardiography, Four-DimensionalHeartHeart Valve ProsthesisHypertrophy, Left VentricularEye ColorBlood PressureCardiomyopathiesHeart FailureMitral Valve StenosisVentricular Dysfunction, RightUmbilical ArteriesCardiac VolumeAortic Valve InsufficiencyFollow-Up StudiesPigmentationMyocardial IschemiaMyocardial InfarctionDipyridamoleVentricular RemodelingMitral Valve ProlapseCardiomyopathy, HypertrophicCoronary AngiographyHeart MurmursPregnancyCoronary DiseaseCardiac OutputImage Interpretation, Computer-AssistedPericardial EffusionMyocardiumCardiomyopathy, DilatedTreatment OutcomeHeart Rate