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Ben Greenhouse wrote:
> 
> Nelson;
> 
>     "One" never claimed to be an expert, my rationale behind that
> thought was that the blood would become more viscous due to the
> increased rigidity of the RBCs.  This in turn would cause an elevation
> in blood pressure.  Sound fair to you?
> 
> Ben
> 
> nelson wrote:
> 
> > Ben Greenhouse wrote:
> > >
> > > Dave:
> > >
> > >     I'm not too sure of any longterm problems, but I would imagine
> that
> > > an immediate problem from
> > > red blood cell rigidity is hypertension.  The increased work your
> heart
> > > has to
> > > do in this situation may increase nitrogen uptake.  As well, the
> reduced
> > > blood
> > > flow in your circulatory system due to the hypertension may inhibit
> > > off-gassing from poorly circulated regions.  Anyone agree/disagree?
> > >
> > > Dave Nunes wrote:
> > >
> > > > Bill Mee wrote:
> > > > >
> > > > > From a strictly physiological viewpoint you will definitely feel
> 
> > > less
> > > > > tired and more "energetic" post dive following a lengthy
> exposure
> in
> > > the
> > > > > 100' range after breathing a gas mix where helium replaces part
> of
> > > the
> > > > > nitrogen. We know that red blood cells become rigid at high
> ppn2s
> > > and
> > > > > loose some of their hemodynamic characteristics which benefit
> plug
> > > > > capillary flow.  On the other hand helium is a "fast" highly
> mobile
> > > gas
> > > >
> > > > Bill,
> > > >
> > > > Please forgive my ignorance but, what are the
> > > (physiological??/Medical??)
> > > > side effects of red blood cells becoming rigid due to high ppn2's,
> 
> can
> > > this
> > > > cause any problems with normal everyday health (in the long or
> short
> > > term),
> > > > is it permanent damage? What does this do to one's body?
> > > >
> > > > Ciao
> > > >
> > > > Dave Nunes
> > > > Infoview Client systems
> > > >
> > > > --
> > > > Send mail for the `techdiver' mailing list to
> > > `techdiver@aquanaut.com'.
> > > > Send subscribe/unsubscribe requests to
> > > `techdiver-request@aquanaut.com'.
> 
> > What is the scientific rationale that increased RBC rigidity causes
> > hypertension?  That is the nice thing about science...it soon
> separates
> > the fact from the fiction or BS).  One would also question whether one
> 
> > has the education and background to make such statements.
> 
> --
> Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
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NOPE.......What is your knowledge base to make such an assumption.
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