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On Thu, 30 Jun 1994, Hadland Keith wrote:

>  Is it possible that the gas loadings in my lungs could get to the state
> where my decompression is being slowed because the rate of release is
> dropping (ie. the ppN2 in my lungs is close to the ppN2 in my blood)? Should
> I make a conscious effort to breathe deeper and more often during my stops
> to offset this, and would it make my stops any safer if I did?

I've wondered this myself a lot.  Another factor to consider is heart-rate
(=circulation rate).  As for breathing rates, I figure it depends on whether
the limiting factor of off-gasing is the diffusion of gas molecules at the
tissue:blood interface, or at the blood:alveoli interface.  Also, it may
well be that variations in gas uptake/off-gas due to breathing rate is
dwarfed by other variables.

I look forward to the response from the physiologically-inclined among the
forum.....

Aloha,

Rich

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