> I was stating my feeling that somehow the models seem to get more
> unpredictable at the middle tissues. As I get closer to the filling of
> the middle tissues, I seem to get more fatigue.  However, I may not have
> enough experience to make a significant statistical universe.  While gas
> phase is cause of the DCS symptoms, how the tissues add gas phase as
> they supersaturate still controls the number of bubble seeds.  

I wasn't disagreeing with you.  In fact, we used to call it "slow tissue 
blues" (although you are probably correct in assigning the blame to the 
middle tissues - or more specifically, dives on which compartment-based 
deco models suggest that the medium tissues are the controling ones).  My 
only point was that the symptomology may be effectively unrelated to 
particular "tissue" half-times, but rather are related to particular 
aspects of gas-phase dynamics that happen to coincide with dive profiles 
on which the middle tissues are the controling ones.

More and more I tend to visualize decompression dynamics in terms of 
bubble shrinkage or growth factors, rather than tissue tension factors 
per se.

Aloha,
Rich

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