That is what I was thinking and everything suggest that, but I would like 
to have all the bases covered before a course of action.... This is the 
first seizure we have had on the boat other than the one I had or should 
say avoided on one of my very deep dives.... That one is more expected 
because of the dive profile, not this one....

At 06:04 AM 7/18/01 -0400, Ocean Diving, Inc. wrote:
>This would most likely be a simple case of O2 intolerance. It happens.
>Semper Deep,
>Capt. Jim Mims
>
>-----Original Message-----
>From: FLTechDiver-owner@mikey.net [mailto:FLTechDiver-owner@mikey.net]On
>Behalf Of Andrew Donn
>Sent: Tuesday, July 17, 2001 7:01 PM
>To: vbtech@ci*.co*; techdiver@aquanaut.com
>Cc: FLTechDiver@mikey.net
>Subject: Re: The Seizure
>
>
>
>      There have been quite a few posts on this topic so I'll throw in my
>2cents because the point hasn't come up yet.  As several others have
>expressed, it doesn't appear to fit the prerequisits for an O2 hit but the
>symptoms are a match.  a 15 minute bottom time isn't going to get you much
>over 30 minutes on O2 even with some 'conservatism' and, if what you say is
>true, the diver wasn't deeper than 20ft.  One thing that this might serve to
>point out is that O2 toxcisity is very unpredictable.  There isn't a list of
>predisposing factors like there is with DCS. Suseptability varies greatly
>from individual to individual and for a given individual from day to day.
>To make matters worse, there doesn't seem to be any predicting who is more
>likely to get a hit.  Also, how an individuals susceptability varies is very
>poorly understood.  In DCS things like age, physical condition and hydration
>all play a role.  Not to say that it can't be predicted, it just that we
>haven't figured out how.
>
>Andrew Donn
>
>
>
> >From: Capt JT <captjt@mi*.co*>
> >Reply-To: vbtech@ci*.co*
> >To: techdiver@aquanaut.com
> >CC: vbtech@ci*.co*,    FLTechDiver@mikey.net
> >Subject: Re: The Seizure
> >Date: 17 Jul 2001 18:38:32 -0400
> >
> >  I have received a lot of the same questions so I will answer them in a
> >single post.....
> >
> >Recap of mixes  15/50  bottom mix for a dive plan to 220ft for 15mins deco
> >gases 50/50 and 100% 02  tables were run on decoplanner GF 35/95 diver had
> >not made a dive in 24hrs, but had already made dives to the wreck with no
> >problems. Conditions on the last dive were good 49 degrees on the bottom,
> >no current, 65 on top.... Diver went to next plan of 20 mins because they
> >stayed 16 on the bottom.
> >
> >Victim is under 30, good physical condition but a little over weight for
> >their height  and there was no work load on the dive. The victim is a non
> >smoker, but enjoys a good drink on their off days.
> >
> >The victim states that they started having muscle twitches and sensed
> >something was wrong, and moved over to the buddy..... I still am told no
> >meds.... they can remember...
> >
> >  very few have noticed an important lesson here, the buddy was on time,
> >both divers did the right thing, the victim did not try to make it on their
> >own and the buddy was there to help..... the out come is a diver who is
> >alive....
> >
> >I am getting a lot of sound advise and hope the diver follows it..... if I
> >missed any questions send again....
> >
> >Thanks
> >JT
> >
> >
> >
> >
> >
> >
> >"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*
> >
> >
> >
> >
> ><< Send subscribe/unsubscribe/help requests to VBTech-request@ci*.=
> >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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