Myocardial InfarctionHeart Rupture, Post-InfarctionRuptureSplenic RuptureHeart RuptureVentricular Septal RuptureRupture, SpontaneousThrombolytic TherapyWounds, NonpenetratingHemoperitoneumAngioplasty, Balloon, CoronaryElectrocardiographyVentricular RemodelingTime FactorsProspective StudiesTreatment OutcomeVentricular Function, LeftPrognosisEchocardiographyVentricular Dysfunction, LeftMyocardiumFollow-Up StudiesMyocardial ReperfusionCoronary AngiographyStreptokinasePredictive Value of TestsHeart VentriclesHeart FailureInfarctionCreatine KinaseAcute DiseaseCoronary Care UnitsRisk FactorsAnterior Wall Myocardial InfarctionShock, CardiogenicFibrinolytic AgentsHospital MortalityCerebral InfarctionStentsAngina PectorisAortic RuptureMyocardial RevascularizationCoronary ThrombosisCoronary VesselsCoronary CirculationRetrospective StudiesRecurrenceStroke VolumeAngina, UnstableCoronary DiseasePlatelet Aggregation InhibitorsChest PainBiological MarkersTissue Plasminogen ActivatorRisk AssessmentMyocardial IschemiaHospitalizationPercutaneous Coronary InterventionRegistriesClinical Enzyme TestsSurvival AnalysisHeartUterine RuptureCoronary Artery DiseaseArrhythmias, CardiacCoronary Artery BypassAcute Coronary SyndromeCardiac CatheterizationCohort StudiesTroponin TIncidenceAspirinHemorrhageMultivariate AnalysisProportional Hazards ModelsAdrenergic beta-AntagonistsSurvival RateStrokeCase-Control StudiesTissue SurvivalMyocardial Reperfusion InjuryAnistreplaseAge FactorsTroponin ILogistic ModelsInferior Wall Myocardial InfarctionEmergency Medical ServicesHemodynamicsSex FactorsCreatine Kinase, MB FormHeparinDisease Models, AnimalThrombosisEdema, CardiacSensitivity and SpecificityDouble-Blind MethodCardiovascular AgentsImmunoglobulin Fab FragmentsFetal Membranes, Premature RuptureIntra-Aortic Balloon Pumping