Myocardial InfarctionExercise TestExercise ToleranceExerciseExercise TherapyElectrocardiographyInfarctionPhysical ExertionTime FactorsOxygen ConsumptionCerebral InfarctionCoronary AngiographyAngioplasty, Balloon, CoronaryThrombolytic TherapyAngina PectorisTreatment OutcomeRisk FactorsHeart RateProspective StudiesAnterior Wall Myocardial InfarctionCoronary DiseaseMyocardial ReperfusionVentricular RemodelingCreatine KinasePhysical EnduranceFollow-Up StudiesVentricular Function, LeftPredictive Value of TestsPrognosisAnaerobic ThresholdStreptokinaseStroke VolumeMyocardial IschemiaMyocardiumHeart FailureEchocardiographyPhysical FitnessHeartCoronary Care UnitsHemodynamicsVentricular Dysfunction, LeftAsthma, Exercise-InducedCoronary Artery DiseaseFibrinolytic AgentsAngina, UnstableCoronary CirculationRisk AssessmentPlatelet Aggregation InhibitorsChest PainBicyclingAdrenergic beta-AntagonistsBlood PressureRetrospective StudiesPulmonary Gas ExchangeCoronary VesselsStentsDouble-Blind MethodMyocardial RevascularizationBiological MarkersPercutaneous Coronary InterventionRecurrenceMuscle, SkeletalCoronary ThrombosisHeart VentriclesProportional Hazards ModelsShock, CardiogenicInferior Wall Myocardial InfarctionHospital MortalityAcute DiseaseArrhythmias, CardiacCoronary Artery BypassCohort StudiesCase-Control StudiesRestCardiac CatheterizationLactic AcidMultivariate AnalysisDeath, Sudden, CardiacSurvival AnalysisErgometryAnalysis of VarianceIncidenceRegistriesStrokeElectrocardiography, AmbulatoryHeart Function TestsCardiovascular AgentsTomography, Emission-Computed, Single-PhotonAge FactorsChi-Square DistributionAspirinAcute Coronary SyndromeCardiovascular DiseasesSeverity of Illness IndexThallium RadioisotopesTissue Plasminogen ActivatorSex FactorsRunningHeart Rupture, Post-InfarctionHospitalization