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Post-hyperventilation apnoea in patients with brain damage
  1. Sheila Jennett,
  2. Karen Ashbridge1,
  3. J. B. North2
  1. Institute of Neurological Sciences, University of Glasgow, Scotland
  2. Department of Neurosurgery, University of Glasgow, Scotland
  3. Department of Physiology, University of Glasgow, Scotland


    A study of 100 subjects has confirmed that brief voluntary hyperventilation commonly causes apnoea in patients with supramedullary lesions, but not in healthy people. Apnoea was related to drowsiness rather than to the extent of the lesion; it was unrelated to the measured reduction in end-tidal carbon dioxide tension.

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    • 1 Student vacation scholar supported by grant to S.J. from Christine Murrell Award of the Medical Womens' Federation.

    • 2 Commonwealth Medical Fellow in Neurosurgery.

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