NeckChest PainPainHead and Neck NeoplasmsNeck PainChronic PainPain ManagementPain ThresholdPain MeasurementPain, PostoperativeBack PainLow Back PainChest TubesAngina PectorisPain ClinicsRadiography, ThoracicAbdominal PainPain, IntractableThoracic WallElectrocardiographyPain, ReferredMicrovascular AnginaThoraxEmergency Service, HospitalTomography, X-Ray ComputedPelvic PainCoronary AngiographyPain PerceptionNeck InjuriesFacial PainMyocardial InfarctionAcute PainProspective StudiesShoulder PainThoracic InjuriesTreatment OutcomeFemoral Neck FracturesExercise TestCoronary VasospasmTriageMusculoskeletal PainAcute Coronary SyndromeTime FactorsFollow-Up StudiesPericarditisPredictive Value of TestsMass Chest X-RayFlail ChestTroponin TSensitivity and SpecificityAcute DiseaseRetrospective StudiesCoronary DiseaseMyocardial IschemiaAngina, UnstableAnalgesicsGastroesophageal RefluxRisk FactorsEsophageal Spasm, DiffuseEsophagusTietze's SyndromeThoracic NeoplasmsTroponin IDyspneaCarcinoma, Squamous CellEsophageal Motility DisordersThoracic DiseasesFunnel ChestPrognosisManometrySeverity of Illness IndexCardiology Service, HospitalPneumothoraxEmergency Medical ServicesCreatine KinaseQuestionnairesNeuralgiaNociceptive PainTakotsubo CardiomyopathyChronic DiseaseEmergenciesCoronary Artery DiseaseDiagnostic ErrorsDeglutition DisordersBiological MarkersDiagnostic Techniques, CardiovascularRisk AssessmentSyndromeCoronary Care UnitsAnalgesics, OpioidMediastinal EmphysemaEchocardiographyRibsSternumChest Wall OscillationThoracotomyPleural DiseasesHospital UnitsMyofascial Pain SyndromesPhysical Examination