Incidence of hyperkalaemia induced by indomethacin in a hospital population.

As there was only marginal improvement she was transferred for hyper- baric oxygen treatment to the nearby naval recompression unit at Ports- mouth.Treatment began within two hours after her initial collapse.She underwent 285 minutes of alternating oxygen and air treatment beginning at a pressure of 2-8 bar (atmosphere absolute).2After 90 minutes she suddenly became conscious and responded to simple instructions.Neurological exam- ination yielded normal results.She made a full recovery with no neurological sequelae but with a retrograde amnesia of about two hours.1