Chest PainPainPain ManagementChronic PainPain ThresholdPain, PostoperativePain MeasurementChest TubesBack PainLow Back PainAngina PectorisPain ClinicsAbdominal PainRadiography, ThoracicPain, IntractableElectrocardiographyNeck PainThoracic WallPain, ReferredMicrovascular AnginaEmergency Service, HospitalPain PerceptionThoraxCoronary AngiographyPelvic PainTreatment OutcomeTomography, X-Ray ComputedMyocardial InfarctionFacial PainProspective StudiesAcute PainTime FactorsRetrospective StudiesThoracic InjuriesFollow-Up StudiesExercise TestShoulder PainTriageCoronary VasospasmAcute Coronary SyndromePericarditisPredictive Value of TestsMass Chest X-RayQuestionnairesAcute DiseaseMusculoskeletal PainFlail ChestTroponin TSensitivity and SpecificityCoronary DiseaseRisk FactorsMyocardial IschemiaAngina, UnstableAnalgesicsGastroesophageal RefluxSeverity of Illness IndexEsophagusEsophageal Spasm, DiffuseTietze's SyndromeDyspneaThoracic DiseasesThoracic NeoplasmsFunnel ChestTroponin IEsophageal Motility DisordersEmergency Medical ServicesChronic DiseaseManometryEmergenciesPrognosisPneumothoraxCardiology Service, HospitalRisk AssessmentCreatine KinaseNeuralgiaNociceptive PainTakotsubo CardiomyopathyCoronary Artery DiseaseDiagnostic ErrorsBiological MarkersThoracotomyDiagnostic Techniques, CardiovascularCohort StudiesSyndromeAnalgesics, OpioidHospital UnitsAnxietyEchocardiographySternumCoronary Care UnitsRibsMediastinal EmphysemaPsychophysiologic DisordersDeglutition DisordersPleural DiseasesChest Wall OscillationLung DiseasesThoracic Surgical ProceduresPhysical ExaminationRecurrence