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Transient right-to-left shunting through a patent foramen ovale secondary to unilateral diaphragmatic paralysis.
  1. P J Cordero,
  2. P Morales,
  3. V Mora,
  4. J Cebrian,
  5. J Vallterra,
  6. J Gudin,
  7. E Benlloch,
  8. V Marco
  1. Servicio de Neumología, Hospital Universitario La Fe, Valencia, Spain.


    A 57 year old patient presented with unilateral diaphragmatic paralysis and severe hypoxaemia secondary to transient right-to-left interatrial shunting through a patent foramen ovale. The final diagnosis was made because of the initial detection of a shunt while the patient was breathing 100% oxygen.

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