Ventricular Function, LeftVentricular Function, RightVentricular Dysfunction, LeftVentricular FunctionStroke VolumeHeart VentriclesEchocardiographyHeartMyocardial ContractionMyocardial InfarctionVentricular Dysfunction, RightSystoleHemodynamicsDiastoleRadionuclide VentriculographyMyocardiumHeart FailureGated Blood-Pool ImagingElectrocardiographyRadionuclide AngiographyCoronary CirculationEchocardiography, DopplerHeart Function TestsHypertrophy, Left VentricularTime FactorsCardiomyopathy, DilatedCardiac CatheterizationHeart RateCoronary DiseaseVentricular RemodelingCineangiographyCardiac VolumeCardiac OutputVentriculography, First-PassVentricular PressureCardiomyopathiesBlood PressureTreatment OutcomeMyocardial IschemiaEchocardiography, Doppler, PulsedFollow-Up StudiesDobutamineExercise TestAngiocardiographyAtrial Function, LeftProspective StudiesCardiotonic AgentsVentricular DysfunctionCoronary AngiographyCoronary Artery BypassCardiac Pacing, ArtificialDogsMagnetic Resonance Imaging, CineEchocardiography, Doppler, ColorTomography, Emission-Computed, Single-PhotonPredictive Value of TestsMyocardial ReperfusionMitral Valve InsufficiencyPhonocardiographyMitral ValveCoronary VesselsHeart DiseasesGold RadioisotopesAortic Valve StenosisTricuspid ValveMyocardial Reperfusion InjuryAngioplasty, Balloon, CoronaryAdrenergic beta-AntagonistsAngina PectorisTechnetium Tc 99m SestamibiEchocardiography, StressPulmonary ArteryPrognosisAbstracting and Indexing as TopicNatriuretic Peptide, BrainHeart AtriaRecovery of FunctionKinetocardiographyTetralogy of FallotCardiac Surgical ProceduresCineradiographyTransposition of Great VesselsMyocardial StunningHeart AneurysmBlood Flow VelocityStreptokinaseArrhythmias, CardiacVentricular SeptumAnalysis of VarianceDisease Models, AnimalObserver VariationHeart SeptumMetoprololMyocardial RevascularizationEndocardiumTissue SurvivalCardiac Output, LowPacemaker, ArtificialHeart Valve Prosthesis ImplantationHeart Valve Prosthesis