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To: techdiver@opal.com
Subject: heliox for therapy
From: "Ms A.M. Lawrie" <aml@li*.ac*.uk*>
Date: Wed, 15 Feb 1995 19:38:00 +0000 (GMT)

Hi all,

	I tried to post this a few days ago but it hasn't bounced back yet. I
shall therefore assume it never reached the net, sorry if I am repeating myself!

	At the weekend I was talking to a freind who has just completed an
HSC reresher course for diving medicine. He mentioned the significant 
advantage in using heliox for DCI first aid instead of 100% O2.

	Apparently a number of studies have been done on rats and show that
20% O2 + 80% He is the optimum mix to use at atmospheric pressure, but in a
recompression chamber, variations on the O2:He ratio are more beneficial than O2
alone.

	Does anyone know where I could get the publications of these studies, 
and, more importantly, does anyone know any more?


	All comments gratefully received.


Dr Ali Lawrie.


aml@li*.ac*.uk*

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