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Thanks for posting the deco schedules and your wealth of experience on
deep stops. I haven't laughed that hard since I read the post about
using a long tube gavin for "digging".
Ken
Mike Rodriguez wrote:
>
> At 05:31 AM 4/2/99 -0600, Jess Armantrout wrote:
>
> >>The purpose of deep-stops is to reduce the fatigue (generally
> >>believed to be sub-clinical DCS) that is often associated
> >>with deep/deco diving.
> >
> >
> >no, it is for all symptoms of dcs.
>
> >From the Decom help file:
>
> "Divers utilizing deep stops report a lessened degree of
> fatigue."
>
> I agree that deep-stops reduce all symptoms of DCS, not just
> fatigue; however, in my conversations with divers who use
> deep stops, I've found that most use them to reduce fatigue,
> not to reduce other DCS symptoms. This seems to be because
> fatigue is very common after diving, while more serious
> DCS symptoms are rare. Also, most of the divers I've
> spoken to use conservative deco schedules rather than deep-
> stops to help avoid DCS. If they also use deep-stops, they
> do so to reduce fatigue.
>
> So, in this context, I stand behind my original statement.
>
> >>Note that deep-stops have not been demonstrated to decrease
> >>the incidence of DCS, however deep-stops will almost
> >>certainly NOT INCREASE the incidence of DCS.
> >>
> >
> >
> >yes, deep stops have been demonstrated to decrease the incidence of dcs in
> >Richard Pyle and in the WKPP mixed gas exploration divers. Failure to de
> >them has been demonstrated to increase dcs in the same subjects.
>
> >From the Decom help file:
>
> "The numbers are not in on any reduction of DCS
> from this method. It will however NOT increase your rate
> of DCS incidence."
>
> If there is newer information available, please point us to
> it. I'm very interested in reading it.
>
> >>Effectively, deeps-stops slow your ascent to prevent
> >>sub-clinical DCS from beginning in your saturated
> >>fast tissues yet keep your ascent fast enough to prevent
> >>your slow tissues from loading up on N2/He. In practice,
> >>deep-stops add only a few (~5) minutes of deco time to
> >>the typical tech dive.
> >>
> >
> >
> >no, done correctly deep stops reduce deco time
>
> Generated by Decom:
>
> Deep stops = YES
> Total deco time = *94*
> Depth Time DT
> 200 30 30
> 120 1 34
> 110 1 35
> 100 1 36
> 90 1 37
> 80 1 38
> 70 3 41
> 60 6 47
> 50 7 54
> 40 14 68
> 30 20 88
> 20 15 103
> 10 24 127
>
> Deep stops = NO
> Total deco time = *90*
> Depth Time DT
> 200 30 30
> 80 3 37
> 70 3 40
> 60 6 46
> 50 7 53
> 40 14 67
> 30 18 85
> 20 15 100
> 10 24 124
>
> -Mike Rodriguez
> <mikey@ma*.co*>
>
> --
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