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Date: Sun, 20 Feb 2000 07:52:09 -0600
To: "Kevin Connell" <kevin@nw*.co*>, techdiver@aq*.co*,
cavers@cavers.com
From: Scott Hunsucker <swhac@pc*.gu*.ne*>
Subject: Re: CNS Toxicity

Kevin,
    I do not have a lot of information on this, but I will get some more 
and get back w/ you when I can.
    From what I do know, I would wager that the PPO2 has been elevated for 
so long, that seizing was probably eminent and would have happened 
regardless of gas switch.  This may not be the case, there could be some 
other poorly understood mechanism, related to the sudden drop after 
elevated exposure, at work.  Hopefully my research into the subject will 
shed some light.
Scott
At 09:19 PM 02/20/2000 -0800, Kevin Connell wrote:
>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.

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