Atrioventricular BlockMyocardial InfarctionHeart BlockElectrocardiographyPacemaker, ArtificialThrombolytic TherapyAngioplasty, Balloon, CoronaryBradycardiaTime FactorsMyocardial ReperfusionCoronary AngiographyStreptokinaseTreatment OutcomeInfarctionCardiac Pacing, ArtificialBundle of HisProspective StudiesCreatine KinaseCoronary Care UnitsRisk FactorsFollow-Up StudiesHeart Conduction SystemAtrioventricular NodeArrhythmias, CardiacAnterior Wall Myocardial InfarctionBundle-Branch BlockVentricular RemodelingFibrinolytic AgentsVentricular Function, LeftPrognosisEchocardiographyShock, CardiogenicMyocardiumCerebral InfarctionRetrospective StudiesHospital MortalityPredictive Value of TestsAcute DiseaseInferior Wall Myocardial InfarctionVentricular Dysfunction, LeftCardiac CatheterizationAngina PectorisRecurrenceCoronary ThrombosisStentsHeart VentriclesMyocardial RevascularizationElectrocardiography, AmbulatoryAngina, UnstableDisopyramideCoronary CirculationMagnetocardiographyHeartStroke VolumeAdams-Stokes SyndromePlatelet Aggregation InhibitorsCoronary VesselsTorsades de PointesSick Sinus SyndromeChest PainRhododendronSyncopeCoronary DiseaseTissue Plasminogen ActivatorRisk AssessmentIncidenceHeart RateHeart FailureBiological MarkersPercutaneous Coronary InterventionSurvival AnalysisVectorcardiographyMyocardial IschemiaTachycardia, Atrioventricular Nodal ReentryHospitalizationAnti-Arrhythmia AgentsClinical Enzyme TestsRegistriesCoronary Artery DiseaseHeart Rupture, Post-InfarctionCoronary Artery BypassTroponin TAspirinHemodynamicsCatheter AblationDogsMultivariate AnalysisProportional Hazards ModelsAge FactorsMyocarditisDeath, Sudden, CardiacElectrophysiologic Techniques, CardiacCohort StudiesDeath, SuddenAnistreplaseExercise TestAdrenergic beta-AntagonistsTroponin ITachycardia, VentricularFetal Diseases