EnoxaparinAnticoagulantsHeparinMyocardial InfarctionFibrinolytic AgentsVenous ThromboembolismHemorrhageFactor XaHeparin, Low-Molecular-WeightAngioplasty, Balloon, CoronaryThromboembolismTreatment OutcomeVenous ThrombosisInjections, SubcutaneousElectrocardiographyPercutaneous Coronary InterventionPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Aggregation InhibitorsAngina, UnstableNadroparinPartial Thromboplastin TimeMyocardial ReperfusionThrombolytic TherapyThiophenesAcute Coronary SyndromeDouble-Blind MethodTime FactorsPulmonary EmbolismDalteparinProspective StudiesThrombophlebitisBlood CoagulationAntithrombinsDrug Therapy, CombinationRecurrenceTolmetinPyridonesCoronary ThrombosisCoronary AngiographyHirudinsAspirinTime-to-TreatmentIntracranial Hemorrhage, Traumatic