title: A 23-year-old woman with sudden-onset dyspnea and chest pain penetrating to the back.
authors.affiliation: Division of Pulmonary and Critical Care Medicine, Northwestern University Feinberg School of Medicine, 240 E Huron, McGaw M-300, Chicago, IL 60611, USA. j-kwon@md.northwestern.edu
authors.forename: Jeff S
authors.initials: JS
authors.lastname: Kwon
authors.forename: Matthew G
authors.initials: MG
authors.lastname: Blum
authors.forename: Ravi
authors.initials: R
authors.lastname: Kalhan
mesh_terms: D000328:Adult; D002637:Chest Pain / Q000209:etiology; D004417:Dyspnea / Q000209:etiology; D005260:Female; D006801:Humans; D008478:Mediastinal Emphysema / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy; D012129:Respiratory Function Tests; D013997:Time Factors; D014057:Tomography, X-Ray Computed