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From: <kirvine@sa*.ne*>
Date: Wed, 12 Jan 2000 06:11:57 -0500
To: Kevin Connell <kevin@nw*.co*>
CC: techdiver <techdiver@aquanaut.com>
Subject: Re: Deco theory and breathing rate
Kevin, what I said was that in this case, we have been saturated with
oxygen for so long, and sitting still generating very little CO2 for so
long, that there is no need to brethe. Yes,  one every 15 or 20 seconds
is normally what you would expect. 


Kevin Connell wrote:
> 
> Can you clarify that, g?  Once per minute?  Isn't normal respiratory rates
> around 15?  I mean, I slow it down underwater, but not anywhere near 1rpm.
> 
> At 06:50 PM 1/11/2000 -0500, you wrote:
> >"breathing rate" is basicly insignificant, but you could get effects if
> >you breathed too little relative to normal breahting. The problem is
> >that you get relaxed and do not produce much CO2, and obviously have
> >very hig O2, so your reflex drops away. This could make for less gas
> >exchange, maybe. I ignore it  , and try to breathe about once per minute
> >to save the gas. There is no reason to do that other than I do not want
> >to put the correct amount of gas in the water or lug it around, or have
> >to refill it. I really try to use half of a bottle and save the other
> >half for the next dive and just leave the regs on the bottles in my van,
> >and use what's left of my stages for breaks so I do not have to refill
> >or break down my doubles. I also do not liek to get cold, so breahting
> >infreqauentlyh saves on heat loss.
> >
> >  Some of  guys try to breaths as much as they can to get good
> >ventilation and gas exchnage, and that is probably better.
> >
> >David Geffen wrote:
> > >
> > > Hi George,
> > >
> > > I've been following the discussions on deco theory on techdiver
> > > for some time now, but miss any mention of breathing rate.
> > >
> > > Is this non-relevant? I could imagine that a low breathing rate
> > > during bottom time would be beneficial insofar as less ongassing
> > > is occurring. OTOH, would it be beneficial to breathe more while
> > > offgassing?
> > >
> > > Regards,
> > > David Geffen
> >
> >
> >--
> >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
> >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
> 
> ----------------------------------
>   Kevin Connell <kevin@nw*.co*>
> 
>   NW Labor Systems, Inc
>   http://www.nwls.com
> 
>   There was no year zero.  Welcome
>   back to the (still) 20th century and
>   second millenium.
> 
> ----------------------------------


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