Breakthrough PainMyocardial InfarctionAdministration, BuccalFentanylAnalgesics, OpioidPainLabor PainPain MeasurementAnalgesicsPain ManagementChronic PainAnalgesia, EpiduralPain, PostoperativeTreatment OutcomeDouble-Blind MethodInfarctionTime FactorsPain, IntractablePrescription Drug MisuseProspective StudiesElectrocardiographyChronic DiseaseCerebral InfarctionAngioplasty, Balloon, CoronaryNeoplasmsThrombolytic TherapyRisk FactorsFollow-Up StudiesRetrospective StudiesCoronary AngiographyAnterior Wall Myocardial InfarctionArthralgiaMyocardial ReperfusionMedication AdherenceMedication ErrorsVentricular RemodelingNeuralgiaPalliative CareCohort StudiesSeverity of Illness IndexStreptokinaseQuestionnairesCreatine KinaseRecurrenceCoronary Care UnitsMyocardiumAnti-Inflammatory Agents, Non-SteroidalPrognosisPredictive Value of TestsCoronary DiseaseVentricular Function, LeftFibrinolytic AgentsComorbidityAngina PectorisPlatelet Aggregation InhibitorsPain ThresholdRisk AssessmentAngina, UnstableStentsAcute DiseaseRadionuclide GeneratorsQuality of LifeMyocardial RevascularizationMyocardial IschemiaPercutaneous Coronary InterventionCoronary ThrombosisEchocardiographyCoronary Artery DiseaseLow Back PainCoronary VesselsBack PainIncidenceShock, CardiogenicVentricular Dysfunction, LeftHospital MortalityStroke VolumeInferior Wall Myocardial InfarctionCoronary CirculationPatient SatisfactionBiological MarkersHeart FailureChest PainDrug Therapy, CombinationRegistriesProportional Hazards ModelsAbdominal PainUnited StatesCoronary Artery BypassCase-Control StudiesAspirinHeartMultivariate AnalysisNeck PainAge FactorsStrokeHospitalizationMedication ReconciliationMedication SystemsLogistic ModelsAcute Coronary Syndrome