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To: techdiver@opal.com
Subject: Re: PFO and two tables
From: shelps@ac*.ma*.ad*.ed*.au* (Prime Rat)
Date: Thu, 22 Sep 1994 10:07:52 +0930
>I haven't had a wide response on the question of hit rates as yet, but so far
>there seem to be divers who get hit reasonably often and those who never get
>hit at all.  I haven't "analysed" the responses yet and there aren't many,
>so perhaps this should be taken with a grain of salt, but there may well be
>"two groups" of divers as far as risk is concerned.  Obviously I haven't
>atttempted to correlate with actual PFO's so it may be this or some other
>factor involved.
>One diver reported three hits from 4 dives while his buddy has had zero!
>Go figure!

Tentative conclusion #1         That testing for PFO as a risk indicator for DCI
                                is not useful

Tentative conclusion #2         Different decompression tables for divers 
                                with PFO is not necessary

/rat

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
shelps@ac*.ma*.ad*.ed*.au*|Stephen Helps PhD            Ack!  ___/|
FAX   (08)232-3283             |Anaesthesia & Intensive Care       \O.o|
Voice (08)224-5495             |University of Adelaide            =(___)=
                               |ADELAIDE, 5005, South Australia      U
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"I believe OS/2 is destined to be the most important operating system, and
possibly program, of all time" 	Bill Gates, CEO, Microsoft Corporation
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