Myocardial InfarctionExercise TestChest PainExercise ToleranceExerciseElectrocardiographyExercise TherapyInfarctionTime FactorsPhysical ExertionOxygen ConsumptionCoronary AngiographyCerebral InfarctionAngioplasty, Balloon, CoronaryTreatment OutcomeThrombolytic TherapyRisk FactorsAngina PectorisProspective StudiesHeart RateCoronary DiseaseAnterior Wall Myocardial InfarctionMyocardial ReperfusionVentricular RemodelingCreatine KinaseFollow-Up StudiesPhysical EndurancePredictive Value of TestsVentricular Function, LeftPrognosisStreptokinaseAnaerobic ThresholdStroke VolumeMyocardial IschemiaEchocardiographyMyocardiumHeart FailureHeartCoronary Care UnitsPhysical FitnessHemodynamicsAngina, UnstableCoronary Artery DiseaseVentricular Dysfunction, LeftFibrinolytic AgentsRisk AssessmentCoronary CirculationAsthma, Exercise-InducedRetrospective StudiesPlatelet Aggregation InhibitorsBlood PressureBicyclingAdrenergic beta-AntagonistsPulmonary Gas ExchangeBiological MarkersCoronary VesselsRecurrenceDouble-Blind MethodStentsMyocardial RevascularizationAcute DiseasePercutaneous Coronary InterventionCoronary ThrombosisMuscle, SkeletalHeart VentriclesChest TubesProportional Hazards ModelsShock, CardiogenicCohort StudiesHospital MortalityInferior Wall Myocardial InfarctionArrhythmias, CardiacCoronary Artery BypassCase-Control StudiesCardiac CatheterizationRestMultivariate AnalysisLactic AcidSurvival AnalysisDeath, Sudden, CardiacAnalysis of VarianceIncidenceErgometryRegistriesTomography, Emission-Computed, Single-PhotonStrokeAcute Coronary SyndromeAge FactorsChi-Square DistributionElectrocardiography, AmbulatoryHeart Function TestsCardiovascular AgentsSeverity of Illness IndexSensitivity and SpecificityRadiography, ThoracicAspirinRespiratory Function TestsThallium RadioisotopesDyspneaCardiovascular Diseases