Wendell,
if this is because of He, I wonder why. Perhaps because of the lower
density of the mix, this gives less work of breathing, so less CO2
buildup , and perhaps a better ventilation, which in return helps
harvest the benefits of the remaining oxygen.
regards
Matthias

wgrogan@dc*.ne* schrieb:
> 
> Matthias-
> I did not mean to suggest that higher pressures, especially at the beginning
> of treatment, might not be needed.
> Rather, instead of using pure O2 at the 60 fsw level, this work shows that
recovery
> is better when heliox is used.  You still get the positive effects of the
increased
> pressure on the bubbles, but without the negative effects of high oxygen
tensions
> at those pressures.
> Wendell
> 
> >Wendell,
> >the Kiel's Navy Chamber former Chief officer was reported saying that he
> >needed the extra pressure to crush down the organic matter surrounding
> >the bubbles.
> >My aquaintance worked with him as an medical assistant .
> >regards
> >Matthias
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