Atrioventricular BlockMyocardial InfarctionHeart BlockElectrocardiographyPacemaker, ArtificialBradycardiaBundle of HisCardiac Pacing, ArtificialInfarctionAtrioventricular NodeHeart Conduction SystemTreatment OutcomeTime FactorsCerebral InfarctionBundle-Branch BlockAngioplasty, Balloon, CoronaryCoronary AngiographyArrhythmias, CardiacThrombolytic TherapyRisk FactorsProspective StudiesInferior Wall Myocardial InfarctionAnterior Wall Myocardial InfarctionMagnetocardiographyAdams-Stokes SyndromeTorsades de PointesSick Sinus SyndromeFollow-Up StudiesRhododendronSyncopeMyocardial ReperfusionEchocardiographyVentricular RemodelingDisopyramideMyocardiumTachycardia, Atrioventricular Nodal ReentryVentricular Function, LeftElectrocardiography, AmbulatoryPrognosisStreptokinaseRetrospective StudiesHeart VentriclesCreatine KinaseHeart RateHeartCardiac CatheterizationPredictive Value of TestsVentricular Dysfunction, LeftCatheter AblationAnti-Arrhythmia AgentsCoronary Care UnitsFibrinolytic AgentsCoronary DiseaseIncidenceVectorcardiographyElectrophysiologic Techniques, CardiacRecurrenceRisk AssessmentFetal DiseasesAngina PectorisDogsPlatelet Aggregation InhibitorsHeart FailureHydrops FetalisAngina, UnstableMyocarditisStentsPercutaneous Coronary InterventionMyocardial RevascularizationCoronary ThrombosisMyocardial IschemiaCoronary VesselsNeriumFetal TherapiesShock, CardiogenicTachycardia, VentricularCoronary Artery DiseaseHemodynamicsHospital MortalityStroke VolumeCoronary CirculationArrhythmia, SinusDeath, SuddenDeath, Sudden, CardiacAcute DiseaseCardiomyopathy, RestrictiveSurvival AnalysisAtrial FibrillationExercise TestLong QT SyndromeRadionuclide VentriculographyDisease Models, AnimalChest PainTachycardiaSinoatrial BlockTachycardia, SupraventricularBiological MarkersHeart Septal Defects, VentricularHeart Rate, FetalCoronary Artery Bypass