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This IS a troll (albeit a subtle one) right? rgrds --- Adri KC Haine http://www.kbc.be ahaine@ce*.be* (work) darkangel@en*.co* (play) "The death of a diver who sees the crossing of personal frontiers as meaningful is to be mourned more than that of one doing it for mere fun." Rob Palmer (quote from an article in Diver July 1994) On Thu, 11 Mar 1999 09:57:07 Cam Banks wrote: >Hi. I'm new to the techdiver list; I'd like to get some feedback to see >if others have noticed relatively subtle nitrogen narcosis. > >It's only recently that I realize how pervasive narcosis is. For >example, I notice after diving 2-3 dives (well within rec limits), that >I tend to miss the right exit on the way home or make other similar such >minor mental errors for the next 8 hours or so. > >I used to write this off as just "being tired", but I now think it is >residual narcosis. Interestingly, I've never really felt "narced" even >on the couple of dives where I've exceeded 150 feet depth. > >Also, more anecdotal evidence; when I was on a night dive in Cozumel, >near the end I was starting to feel a little squirrelly. Couldn't >figure it out -- I'm not tense, not scared of night dives, generally a >very relaxed diver. My current theory is that there was just too much >information to process near the end of the dive and my narced brain was >feeling a bit overwhelmed -- I really had to concentrate not to tense >up. It was a long dive, and near the end there was a lot going on >around me, and it was hard to decide what to focus on. > >Anyway, that's my theory: sub-clinical N2 narcosis impairs the higher >functions even at depths/times not thought of as narc territory (50 ft >for 50 min, say), and lingers long after the day's diving has ended. >I'm going to try Nitrox and see if I notice a difference. > >I'd have to say I'm surprised by the insidiousness of this narcosis, if >that's what it is; I'm an experienced diver with over 100 dives and a >PADI DM rating, but I never really noticed the level of impairment >before. Makes you think about how dangerous "deep air" dives (of which >I've made a few) really must be. > >Cam >-- >= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = >Cameron Banks 408-821-6314 cell >Applied Materials Account Manager 888-731-6502 pager > 408-934-0500 office > 408-934-0707 fax >Aera Corporation >422 S. Hillview Drive e-mail: cam@ae*.co* >Milpitas, CA 95035 http://www.massflow.com >= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = >-- >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > __________________________________________________________________ Get your own free England E-mail address at http://www.england.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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