title: Occult pneumomediastinum in a SARS patient presenting as recurrent chest pain and acute ECG changes mimicking acute coronary syndrome.
abstract: OBJECTIVE
  Severe acute respiratory syndrome (SARS) is a newly emergent disease due to a novel coronavirus, which caused outbreaks worldwide.
  
  
  METHODS
  We report a SARS patient who had developed recurrent chest pain and acute T-wave inversion over the precordial leads on electrocardiography (ECG).
  
  
  RESULTS
  She developed progressive subcutaneous emphysema a few days later. Her CXR showed features suggestive of pneumomediastinum, which was confirmed by high-resolution CT scan of the thorax.
  
  
  CONCLUSIONS
  Pneumomediastinum should be considered in SARS patients as a possible cause of chest pain and ECG changes that mimic acute coronary syndrome.
authors.affiliation: Department of Medicine, Pamela Youde Nethersole Eastern Hospital, Hong Kong SAR, China.
authors.forename: Tak-Sun
authors.initials: TS
authors.lastname: Tse
authors.forename: Kin-Lam
authors.initials: KL
authors.lastname: Tsui
authors.forename: Loretta Y-C
authors.initials: LY
authors.lastname: Yam
authors.forename: Loletta K-Y
authors.initials: LK
authors.lastname: So
authors.forename: Arthur C-W
authors.initials: AC
authors.lastname: Lau
authors.forename: Kwok-Keung
authors.initials: KK
authors.lastname: Chan
authors.forename: Shu-Kin
authors.initials: SK
authors.lastname: Li
mesh_terms: D000208:Acute Disease; D002637:Chest Pain / Q000209:etiology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008478:Mediastinal Emphysema / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*; D011859:Radiography; D012008:Recurrence; D045169:Severe Acute Respiratory Syndrome / Q000150:complications*; D013577:Syndrome