title: A patient with acute exacerbation of COPD who did not respond to conventional treatment.
authors.affiliation: Department of Medicine, National University Hospital, Singapore.
authors.forename: A E
authors.initials: AE
authors.lastname: Stebbings
authors.forename: T K
authors.initials: TK
authors.lastname: Lim
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D017809:Fatal Outcome; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications / Q000503:physiopathology / Q000628:therapy*; D008297:Male; D011655:Pulmonary Embolism / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D012008:Recurrence; D014057:Tomography, X-Ray Computed / Q000379:methods; D017211:Treatment Failure; D014692:Ventilation-Perfusion Ratio