Radionuclide VentriculographyVentricular Function, LeftMyocardial InfarctionRestStroke VolumeVentricular Dysfunction, LeftHeart VentriclesEchocardiographyHeartMyocardial ContractionExercise TestHemodynamicsVentricular Function, RightDobutamineVentricular FunctionHeart RateCardiac OutputSystoleExerciseGated Blood-Pool ImagingCardiovascular Physiological PhenomenaDiastoleBlood PressureElectrocardiographyCoronary CirculationHeart FailureRadionuclide AngiographyMyocardiumEchocardiography, DopplerHeart Function TestsTime FactorsVentricular Dysfunction, RightCoronary DiseaseCardiomyopathy, DilatedCardiac CatheterizationCineangiographyVentriculography, First-PassAngiocardiographyMyocardial IschemiaFollow-Up StudiesVentricular RemodelingTreatment OutcomeProspective StudiesCardiac VolumeTomography, Emission-Computed, Single-PhotonCardiomyopathiesCoronary AngiographyEchocardiography, Doppler, PulsedPhysical ExertionCardiotonic AgentsMitral Valve InsufficiencyBed RestHypertrophy, Left VentricularMagnetic Resonance Imaging, CineCardiac Pacing, ArtificialVentricular PressurePredictive Value of TestsCoronary Artery BypassPhonocardiographyMyocardial ReperfusionEchocardiography, StressGold RadioisotopesAngina PectorisCoronary VesselsAngioplasty, Balloon, CoronaryEchocardiography, Doppler, ColorAortic Valve StenosisTechnetium Tc 99m SestamibiRecovery of FunctionHeart DiseasesAdrenergic beta-AntagonistsDogsMitral ValveOxygen ConsumptionBlood Flow VelocityPrognosisMyocardial Reperfusion InjuryMyocardial StunningTissue SurvivalStreptokinaseCineradiographyExercise ToleranceKinetocardiographyMetoprololAtrial Function, LeftNatriuretic Peptide, BrainRadiopharmaceuticalsAnalysis of VarianceMyocardial RevascularizationVentricular DysfunctionVascular ResistancePropanolaminesHeart Valve ProsthesisChronic DiseaseReproducibility of ResultsThallium RadioisotopesDisease Models, AnimalThrombolytic TherapyMagnetic Resonance ImagingCoronary Artery Disease