title: Pictorial CME. A 31 year male presented with acute onset of breathlessness.
authors.affiliation: Department of Medicine, IG Medical College, Shimla.
authors.forename: R K
authors.initials: RK
authors.lastname: Patial
authors.forename: R K
authors.initials: RK
authors.lastname: Behl
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000175:diagnosis*; D018927:Anti-Asthmatic Agents / Q000008:administration & dosage; D001249:Asthma / Q000175:diagnosis* / Q000188:drug therapy; D003937:Diagnosis, Differential; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed; D014134:Tracheal Neoplasms / Q000175:diagnosis* / Q000601:surgery*
chemical_list: D018927:Anti-Asthmatic Agents