Myocardial InfarctionElectrocardiographyMagnetic Resonance Imaging, CineMagnetic Resonance ImagingGadolinium DTPAVentricular RemodelingMyocardiumContrast MediaChronic DiseaseInfarctionTime FactorsHeartVentricular Function, LeftImage EnhancementCerebral InfarctionAngioplasty, Balloon, CoronaryEchocardiographyHeart VentriclesMyocardial ContractionVentricular Dysfunction, LeftThrombolytic TherapyCoronary AngiographyProspective StudiesBreath HoldingAnterior Wall Myocardial InfarctionMyocardial ReperfusionDisease Models, AnimalTreatment OutcomeRisk FactorsDogsFibrosisSensitivity and SpecificityGadoliniumCreatine KinaseRetrospective StudiesStreptokinaseMyocytes, CardiacCoronary DiseaseEndomyocardial FibrosisMagnetic Resonance AngiographyCoronary Care UnitsReproducibility of ResultsFollow-Up StudiesPredictive Value of TestsArrhythmias, CardiacPrognosisTelluriumCoronary CirculationFibrinolytic AgentsMyocardial IschemiaAngina PectorisCoronary VesselsPlatelet Aggregation InhibitorsStroke VolumeAngina, UnstableImage Interpretation, Computer-AssistedMyocardial RevascularizationHeart FailureRisk AssessmentStentsRecurrenceCoronary Artery DiseasePercutaneous Coronary InterventionDeath, Sudden, CardiacAcute DiseaseCoronary ThrombosisHospital MortalityBrain DiseasesShock, CardiogenicInferior Wall Myocardial InfarctionBiological MarkersCardiac CatheterizationTomography, X-Ray ComputedCoronary Artery BypassHemodynamicsChest PainProportional Hazards ModelsIncidenceBrainRegistriesStrokeCohort StudiesTroponin TTroponin IAcute Coronary SyndromeAspirinPericardiumSurvival AnalysisEndocardiumMultivariate AnalysisImaging, Three-DimensionalCase-Control StudiesHeart DiseasesCardiotonic AgentsTissue Plasminogen ActivatorHeart Rupture, Post-InfarctionMyocardial Reperfusion InjuryCardiac OutputAdrenergic beta-AntagonistsHospitalization