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Scott, can you (or anyone else) elaborate a bit on this. JJ discussed this during tech3, about how studies showed that a *large* percentage of the seizures (and maybe just symptoms too..) occurred after the switch to low po2, in other words, it was the switch that precipitated the cns problem. At 07:36 PM 2/19/2000 -0600, Scott Hunsucker wrote: >Hello, > >The infamous offgas effect. High PO2s cause biochemical changes in the >Central Nervous System that may linger after the high PO2 has >subsided. This may cause a seizure a few minutes after the diver has >stopped breathing the hyperoxic mix. This is more likely to occur if the >diver had experienced one of the "milder" symptoms of toxicity; however, >toxicity can occur with no symptoms, so a watchful eye must still be >employed. This possibility is greatly diminished after several minutes. >How to avoid: Be extremely careful, avoid high PO2s. Very little is >known about this. ---------------------------------- Kevin Connell <kevin@nw*.co*> NW Labor Systems, Inc http://www.nwls.com Res tantum valet quantum vendi potest. ----------------------------------
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