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Subject:RE>>spots, xrays, bones? Sent on: 2/6/95 4:20 pm
Kevin-Neil Klop Wrote --->>>
There's an occupational hazard of diving called "long bone necrosis".
While I've not heard a definitive statement of what causes it, I've talked
with several doctors who offer an opinion that it's caused by the
procedures used to extract commercial divers from the water (long exposure
then yank'em up to the surface, strip'em down, put'em in a chamber, and
pressurize'em back down to decompress in the chamber).
<<--
At the IANTD conf in the UK last month, the doc who runs the DDRC (Diving
Diseases Research Centre - one of the biggest if not the biggest hypobaric
chambers in the UK) gave a presentation and it included bone narcrosis - he
showed Xrays that had been taken of a "recreational" open circuit trimix diver
who had never been knowingly been bent who had one shoulder totally shot to
peices with extensive narcrosis, whilst the other one was fine. From this it
would appear that its possibly not due to the procedures used by the commercial
system - ie yank'em up to the surface, strip'em down, put'em in a chamber,
andpressurize'em back down to decompress in the chamber
G
Mail Address : graeme_davison@ne*.co*
British Sub Aqua Club : 1958 Under Pressure
BSAC : Advanced Diver
IANTD : Advanced Nitrox
NSS-CD : Cavern / Intro Cave
Dive Safe - Dive Nitrox !
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