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Extreme cardiac and pulmonary artery compression causing positional oxygen desaturation
  1. S Alkhafaji,
  2. R Mazhar,
  3. C S Carr,
  4. A M Alkhulaifi
  1. Department of Cardiac and Thoracic Surgery, Hamad Hospital, PO Box 3050, Doha, Qatar
  1. Dr C S Carr, CCS Department, Hamad General Hospital, PO Box 3050, Doha, Qatar; noahalkh{at}

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A 30-year-old man presented to accident and emergency with a 6-month history of worsening dyspnoea, with chest x ray showing a widened mediastinum. Pulse oximetry showed desaturation from 93% to 65% …

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  • Competing interests: None.

  • Patient consent: Obtained.