Myocardial InfarctionHospitals, TeachingHospitals, UniversityHospitals, GeneralHospital CostsHospitals, UrbanNursing Staff, HospitalAngioplasty, Balloon, CoronaryEconomics, HospitalPercutaneous Coronary InterventionTime FactorsHospitals, PediatricHospital Bed CapacityElectrocardiographyRetrospective StudiesHospitals, SpecialHospitals, DistrictEmergency Service, HospitalProspective StudiesLength of StayHospitals, PrivateHospitalizationFinancial Management, HospitalMyocardial ReperfusionHospital PlanningRisk FactorsHospital ChargesEmergency Medical ServicesHospital DepartmentsHospitals, PsychiatricPatient TransferTransportation of PatientsCardiology Service, HospitalHospital RecordsHospital UnitsThrombolytic TherapyPatient AdmissionTime-to-TreatmentFollow-Up StudiesPatient DischargeEquipment and Supplies, HospitalFibrinolytic AgentsLibraries, HospitalTreatment OutcomeRegistriesUnited StatesSurgery Department, HospitalOutpatient Clinics, HospitalHospitals, CountyCoronary AngiographyHospital Bed Capacity, 500 and overAmerican Hospital AssociationRisk AssessmentPlatelet Aggregation InhibitorsCohort StudiesHospitals, MunicipalCross InfectionFood Service, HospitalHospital Information SystemsLogistic ModelsChi-Square DistributionAcute Coronary SyndromeAge FactorsObstetrics and Gynecology Department, HospitalInfant, NewbornInpatientsIncidenceHospitals, ReligiousPredictive Value of TestsCoronary ThrombosisPrognosisQuality of Health CareHospitals, MaternityQuestionnairesRegional Medical ProgramsDiagnosis-Related GroupsMultivariate AnalysisAmbulancesPatient ReadmissionEnglandOutcome Assessment (Health Care)Severity of Illness IndexHospital Shared ServicesNursing Service, HospitalAcute DiseaseCross-Sectional StudiesLaboratories, HospitalHospital MortalityThrombectomyRecurrenceOdds RatioStentsGuideline AdherenceRegression AnalysisHospital Bed Capacity, under 100Hospital Communication SystemsSex FactorsPrevalenceHospital Bed Capacity, 100 to 299Shock, Cardiogenic