I don't know the whole story, Mike, but if he did have a PFO that opened or
if he did bounce up and down, a small hit might clear up pretty fast, since
he had been breathing oxygen at the time and he was immediately given oxygen
for the boat ride in, and then to the chamber right away.

I would have thought tox if the guy were not a long time player and the dive
not enough to really expect a tox.

I think that if there is anything to learn here, it includes dive with good
buddies, get a PFO test, and don't bounce. Other than that, I don't know
what to make of it. They are still examining the guy, so I guess we will
find out.

The only CNS hits we ever saw in WKPP were shunt ( previously undetected) or
bounce related. The only tox we ever saw was a guy who was on seizure
medication ( not a WKPP diver, but a NOAA test subject where WKPP divers we
acting as safety divers - luckily for that guy. He did die later of the same
problem diving alone.)

-----Original Message-----
From: Michael J. Black [mailto:mjblackmd@ya*.co*]
Sent: Saturday, February 23, 2002 10:25 AM
To: Aquanaut Mail
Cc: George Irvine
Subject: Re: AUE Keys accident


George,

If this were a cerebral arterial gas embolism (vs. CNS oxtox),
there would be more symptoms and incomplete resolution, requiring
aggressive, multiple chamber treatments.  The information on
the net is not consistent with CAGE, but then the net is not
often consistent with accurate information.  Fortunate that the
unconscious diver was rescued by a buddy (nearby diver).

MJB


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