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Hello,
On thing that hasn't been brought up on the list is brain chemistry. I
suggest you read up on the amino acids and the epilepsy studies. Some very
interesting stuff there.
Ed
-----Original Message-----
From: Capt JT [mailto:captjt@mi*.co*]
Sent: Sunday, July 22, 2001 8:54 PM
To: Wendell Grogan
Cc: techdiver@aquanaut.com; vbtech@ci*.co*
Subject: Re: something just isn't adding up
Hi Wendell
Just like to say thanks and let everyone know that you have been helping
the diver and myself with advice in private and by phone. We plan to do as
you say and eliminate all possibilities. Then it can only be what is
left....
JT
I like you in professor mode myself....
At 06:46 AM 7/19/01 -0400, Wendell Grogan wrote:
>Easy answer: no.
>CNS ox-tox is a totally different problem than pulmonary toxicity. You
>can accumulate lung injury over time if you have repeated exposures
>without sufficient time for recovery in between. CNS toxicity on the
>other hand is not well understood in terms of exactly how it happens,
>all we know is what situations increase your risks of it happening.
>It is a problem of the interaction of brain chemistry and/or circulation
>and high oxygen concentration (gas tension). What ever the trigger is,
>it is more of an immediate response to the current oxygen concentration,
>not related to the cumulative exposure over time. That's not to say its
>always instantaneous, rather, its an active process over a period of
>minutes.
>(I will now exit Professor mode)
>Wendell
>
>
>Jsuw@ao*.co* wrote:
> >
> > JT has mentioned that there was a 24 hour surface interval before the
> > dive
> > where the seizure occurred. Even with that amount of time, I can't
> > help but
> > wonder about the possibility that repetitvve high PO2 exposures may
> > have
> > contributed.
> >
> > Jan
>--
>Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
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"You can't learn to dive on the net, sooner or later you have to get in the
water"
Your Guide to Great Wreck Diving along the East Coast & more
Web Site http://www.capt-jt.com/
Email captjt@mi*.co*
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