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This is a multi-part message in MIME format. ------=_NextPart_000_0016_01C1C40C.855C12A0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit Mark, I don't know the bits and pieces of narcosis mechanisms or how solubility in the sheaths surrounding the nerves that you mention here effects narcosis, nor do I have and data on response times. However, this stuff is readily available from organizations like UHMS, and there are other studies out there as well. What I can tell you is that at any depth on nitrogen, there is impairment. I can tell you that Jarrod and I discovered that our team and ourselves were making mistakes when we "traveled" on deco gas. For instance, when we used nitrox in one cave system to travel a mile in water less than 150 feet deep and then go to helium for the drop to the 300 foot stuff, we made all kinds of errors. Our teams placing stages and safeties made errors. You can look at the huge number of accidents among trained cave divers where nobody can tell you what happened. I can - they were in 100+ feet of water on air or nitrox. Impairment really takes the fun out of diving and adds in an unacceptable element of risk. Only a farm animal would try to "teach" deep air diving or deep nitrox. Then there is the issue of decompression from air - there is none that works. The damage created by nitrogen at elevated partial pressures can be "treated" with decompression, but not resolved. In this sense nitrogen creates an unnecessary impediment to a smooth execution. If you run across anyone who thinks they are "good on air" or have some ability to dive deep on air, give that stroke a wide berth. You will always notice that anyone stupid enough to say that while standing on dry land at one ATA is clearly not going to get any smarter at depth. From: Mark Kapono [mailto:mkapono@ne*.ne*] Sent: Tuesday, March 05, 2002 2:33 AM To: Trey; trey@ga*.co* Subject: NOT SPAM! N2narc&myelin!EXAM_48hrs! Dude! I have a MICRO 130 exam coming up in 48 hours. If you might give me your spin on N2 narcosis, soluble fats in myelin....slowed response... Greatly appreceiated, as I could cite Bookspan, I prefer citing field experienced personnel. Whatever you might offer... Mark Kapono ------=_NextPart_000_0016_01C1C40C.855C12A0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Dwindows-1252"> <META content=3D"MSHTML 5.50.4522.1800" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2>Mark,=20 I don't know the bits and pieces of narcosis mechanisms or how = solubility in the=20 sheaths surrounding the nerves that you mention here effects narcosis, = nor do I=20 have and data on response times. However, this stuff is readily = available from=20 organizations like UHMS, and there are other studies out there as=20 well.</FONT></SPAN></DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2></FONT></SPAN> </DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2>What I=20 can tell you is that at any depth on nitrogen, there is impairment. = I can=20 tell you that Jarrod and I discovered that our team and ourselves were = making=20 mistakes when we "traveled" on deco gas. For instance, when we used = nitrox in=20 one cave system to travel a mile in water less than 150 feet deep and = then go to=20 helium for the drop to the 300 foot stuff, we made all kinds of errors. = Our=20 teams placing stages and safeties made errors. You can look at the huge = number=20 of accidents among trained cave divers where nobody can tell you what = happened.=20 I can - they were in 100+ feet of water on air or = nitrox.</FONT></SPAN></DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2></FONT></SPAN> </DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2>Impairment really takes the fun out of diving and adds in an = unacceptable=20 element of risk. Only a farm animal would try to "teach" deep air diving = or deep=20 nitrox.</FONT></SPAN></DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2></FONT></SPAN> </DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2>Then=20 there is the issue of decompression from air - there is none that works. = The=20 damage created by nitrogen at elevated partial pressures can be = "treated" with=20 decompression, but not resolved. In this sense nitrogen creates an = unnecessary=20 impediment to a smooth execution. </FONT></SPAN></DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2></FONT></SPAN> </DIV> <DIV><SPAN class=3D316185610-05032002><FONT face=3DArial color=3D#0000ff = size=3D2>If you=20 run across anyone who thinks they are "good on air" or have some ability = to dive=20 deep on air, give that stroke a wide berth. You will always notice that = anyone=20 stupid enough to say that while standing on dry land at one ATA is = clearly not=20 going to get any smarter at depth.</FONT></SPAN></DIV> <DIV><FONT face=3DTahoma><FONT size=3D2><SPAN=20 class=3D316185610-05032002></SPAN></FONT></FONT> </DIV> <DIV><FONT face=3DTahoma><FONT size=3D2><SPAN=20 class=3D316185610-05032002> </SPAN><BR><B>From:</B> Mark Kapono=20 [mailto:mkapono@ne*.ne*]<BR><B>Sent:</B> Tuesday, March 05, 2002 = 2:33=20 AM<BR><B>To:</B> Trey; trey@ga*.co*<BR><B>Subject:</B> NOT = SPAM!=20 N2narc&myelin!EXAM_48hrs!<BR><BR></DIV></FONT></FONT> <BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px"> <DIV><FONT face=3DGaramond>Dude!</FONT></DIV> <DIV><FONT face=3DGaramond></FONT> </DIV> <DIV><FONT face=3DGaramond>I have a MICRO 130 exam coming up in 48=20 hours.</FONT></DIV> <DIV><FONT face=3DGaramond></FONT> </DIV> <DIV><FONT face=3DGaramond>If you might give me your spin on N2 = narcosis,=20 soluble fats in myelin....slowed response...</FONT></DIV> <DIV><FONT face=3DGaramond></FONT> </DIV> <DIV><FONT face=3DGaramond>Greatly appreceiated, as I could cite = Bookspan, I=20 prefer citing field experienced personnel. Whatever you might=20 offer...</FONT></DIV> <DIV><FONT face=3DGaramond></FONT> </DIV> <DIV><FONT face=3DGaramond>Mark = Kapono</FONT></DIV></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_0016_01C1C40C.855C12A0-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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