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On Sun, 29 Mar 2020 08:04:49 -0400, wrote:

I saw a doctor being asked if a CPAP machine could be modified for
use as a ventilator. Answer was "No".

Also saw another doc who is currently working in a hospital in
NYC. He explained the protocols and steps taken when a person
is admitted with covid-19 and has difficulty breathing.

They are not put on a ventilator initially. They start with a
oxygen face mask. If the patient responds well, that's all
they do.

Often though, the patient will initially seem to do better
but then deteriorate. At that point they use another type
of oxygen delivery system that is under pressure.

If that fails, they go to another oxygen system that I can't
remember how it differs, but somehow it's a 'high delivery"
system.

If that fails the patient is then put on a ventilator.
The doc said the ventilator is used when all else has
failed and is used as a last resort.

I still haven't heard what the survival rate is when measures go that
far.

===

I read somewhere recently that the survival rate for ICU patients on
ventilators was about 50%, and virtually all of the 50% survivors had
some permanent lung damage. Unfortunately I don't have the original
cite for that.

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