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Billy, you really give the perfect answer here. This is the part that
none of them has a grip on.

bdi@wh*.ne* wrote:

David, when you paramedics turn up with a bag and mask system,
I'll be happy and relieved to stand back and hand over to you
guys. Same with Ms Nakamura and her boat with the O2 system and
trained operators on board.

But here's the problem. What do we do till you (and she) get
there?

There's me and my buddy floating in the ocean, with anywhere
from 4 to oh, say, 30 minutes before the buddy is re-united with
the boat, pulled from the water and put on the mask. We are both 
carrying oxygen with demand regs. You, Ms Nakamura and that loopy
'lawyer' Big von Bullwinkle, seem to share the opinion that we 
should ignore the oxygen we are carrying and the facility of the 
regulator, and attempt expired air resucutation instead.

Floating in the water with a non-breathing buddy, waiting for 
a boat to turn up or while swimming the buddy to the boat to 
be hauled aboard, it seems that option is precisely about avoiding 
responsibility rather than taking immediate, effective action
with the tools to hand.

With your advice, no matter how well meant, you aren't actually 
helping us solve a serious and likely problem we may face. In fact, 
the usual "stand aside for the experts" line is the very thing that
ensures helpless bystanders remain helpless.

I'm know you have a lot more to contribute to this subject than any
of the other naysayers. But unless you apply your knowledge to
the problem of administering and regulating positive pressure 
oxygen through a diving regulator, then when faced with the likely 
scenario described above, some of us are going to have to figure it 
out on the fly.

By the way, non-breather emergencies never happen next to an oxygen 
resucitation system. If they did, they wouldn't be emergencies.

And anyone that puts one of those wet-breather shower-heads on an
oxygen cylinder needs to re-consider their equipment choices.

regards         billyw

--
S


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