Echocardiography, DopplerEchocardiography, Doppler, PulsedUltrasonography, DopplerEchocardiography, Doppler, ColorDiastoleUltrasonography, Doppler, ColorVentricular Function, LeftVentricular Dysfunction, LeftMyocardiumUltrasonography, Doppler, PulsedSystoleBlood Flow VelocityMyocardial ContractionDoppler EffectMitral ValveHeartVentricular Function, RightHeart VentriclesStroke VolumeEchocardiographyVentricular FunctionCardiomyopathiesUltrasonography, Doppler, TranscranialMyocardial IschemiaVentricular Dysfunction, RightCardiomyopathy, DilatedCoronary CirculationTricuspid ValveCardiac Pacing, ArtificialHeart FailureReproducibility of ResultsHeart Failure, DiastolicMyocardial InfarctionPredictive Value of TestsHemodynamicsVentricular RemodelingMyocarditisMyocardial Reperfusion InjuryProspective StudiesSensitivity and SpecificityObserver VariationTime FactorsCardiomyopathy, HypertrophicDogsImage Interpretation, Computer-AssistedEndocardiumElectrocardiographyHeart DiseasesVentricular PressureHeart AtriaAtrial Function, LeftUltrasonography, PrenatalFetal HeartCardiotonic AgentsHypertrophy, Left VentricularVentricular DysfunctionPulmonary Wedge PressureVentricular SeptumLaser-Doppler FlowmetryHeart Function TestsEchocardiography, StressMyocytes, CardiacElasticity Imaging TechniquesMyocardial ReperfusionHeart, ArtificialNatriuretic Peptide, BrainBlood PressureHeart RateRegional Blood FlowEchocardiography, Three-DimensionalCardiac CatheterizationCreatine KinaseROC CurveFeasibility StudiesReference ValuesContrast MediaCoronary VesselsHeart Conduction SystemAnalysis of VarianceDobutamineCase-Control StudiesPulsatile FlowArrhythmias, CardiacEdema, CardiacUmbilical ArteriesImage Processing, Computer-AssistedCardiomyopathy, RestrictivePericardiumBiological MarkersDisease Models, AnimalSeverity of Illness IndexHeart Failure, SystolicTreatment OutcomeBundle-Branch BlockMagnetic Resonance ImagingFibrosisUltrasonographyCoronary DiseaseLinear ModelsTissue Engineering