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Date: Sun, 18 Oct 1998 20:49:45 +0100
From: "Thomas A. Easop" <tomeasop@mi*.co*>
Organization: EPI
To: Tech Diver <techdiver@aquanaut.com>
Subject: Re: Going Up was Six Years Today
> Joel Silverstein wrote:
>
> > Tom Easop wrote:
> >
> > >Surfacing with a stricken buddy, ommitting lots of deco should not be
> > done. You
> > >will only stress those trying to rescue the stricken buddy with another
> > rescue. If
> > >you were climbing and your partner fell from the top of the cliff, you
> > would not
> > >jump off the cliff to help him, and if you did you would only make things
> > worse
> > >for the rescuers. Understand that the deeper mix dives are like standing
> > on the
> > >cliff. You must safely get to where you need to be to do anything good.
> >
> > In your scenario I am and most others would be better off not diving.
>
> Not true. In my scenario, which is what I think is a reflection of what Steve
> Belinda describes as happening to the Rouse's, we are all better off not
> 'blowing up'. The doctor who taught the class, I do not have his name handy
> since I am away from my office, has over 40 years of diving and hyperbaric
> medical experience. He specifically used the word 'blow up'. He said they are
> not survivable, do not do them.
>
> >  The
> > primary thread that runs thru quality technical diving is teamwork and
> > partnership. A properly set up technical diving operation will take into
> > consideration that there may be a blow up and there may be omitted
> > decompression. Frankly if I was diving with you and you had to be taken up
> > -- I would take you and deal with the decompression afterwards. It would
> > save you and possibly bend me ... so what. You will owe me a nice case of
> > scotch every year for the rest of my life.
>
> Joel, I think we both have had excellent training, and you have chamber
> operation experience. But how would getting me to the surface 'save' me? I
> believe the good doctor since he has a great deal of experience and was in
fact
> responding to this very scenario. Yes you could omit deco and then follow
> standard omitted deco procedures. And yes you might get bent, maybe not. What
> about me, the diver with the primary problem? Possibly you assume I am going
to
> be able to get back into the water and start omitted deco too. That was not
the
> scenario. I'm just saying be prepared and correct your problems in the water
at
> depth, do not go to the surface. Avoid that at almost all costs. That is in
the
> primary thread of tech diving. And this scenario was specific to exposures of
> about 30 min beyond 200 fsw.
>
> Using the best example we know of for this, why didn't Chris Sr. and Jr. do
the
> omitted deco procedure? Why did Chris Sr. go right away? I think its becuase
> two stricken tech divers on the surface of the sea is too much for even the
> best dive boat crew to make right. I know many of the divers and crew
connected
> with the Seeker and they are some of the best you can have on your side. Why
> did Chris Jr pass away a day later after reciveing the best hyperbaric
> treatment available? Becuase as the doctor told me in the class, 'blow ups'
> from that exposure are not survivable.
>
> I think you would not get any Scotch every year becuase I would be dead, and
> dead men don't buy scotch. And you might be too. *This romantic idea of
> rescueing someone when it is not effective and better left to boat crew or
> support divers is why I am typing so much.* Rescues have to be made when they
> are safe for the rescuer. 'Blowing up' to the surface from a mix dive is not
> it.
>
> > There is a window of opportunity for blowing off stops its about 5 minutes
> > or so ... get the guy up -- tell the surface --- and drop back down -- dont
> > dick around --- there are standard procedures for omitted decompression all
> > ya gotta do is trust them.
>
> After what the doc said, I don't trust them, not on that exposure. 'Getting
the
> guy up' is a body recovery. Do it later.
>
> > This is a very good reason for diving from big well equipped properly
> > staffed diving platforms. In the event of an emergency you need PEOPLE who
> > can respond, and who WILL respond.
>
> Bingo. If there is a SIMPLE blow up without complication (and I can't imagine
> why this would happen) and the diver is to have any chance of living it is
> becuase the people on the diving platform get him back down to depth, get him
> to do omitted deco and then get him treatment for his bend.
>
> > If one fears getting bent on a technical
> > dive they should rethink their motives.
>
> Believe me my motive on tech dives is not to get bent ;-)
>
> > Bends is Not a Dirty Word
> > especially when it may save someone.
>
> Bends no, 'blow up' yes its a dirty word. Sort it out way below the surface.
>
> Tom
> --
> The Guns and Armour of Scapa Flow Scotland
> 1998 Underwater Photographic Survey of Historic Wrecks
> http:www.gunsofscapa.demon.co.uk



--
The Guns and Armour of Scapa Flow Scotland
1998 Underwater Photographic Survey of Historic Wrecks
http:www.gunsofscapa.demon.co.uk


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