Rebreather World - View Single Post - Treating suspected DCI with 100% O2 (is it wrong?)

chrismc · 8th March 2006, 12:08

Whilst I hate to disagree with everyone, I have heard a similar comment before.

I recently went to a presentation and talk by one of the specialists at the north west uk hyperbaric chambers.

I was told that whilst 100% o2 has historically been whats taught, they are now reconsidering this.

Pure oxgen causes the blood vessels to narrow. Whilst the bubbles will be reducing, this is not immediate. Therefore there is a possibility that the blood vessels will contract to the point of a bubble causing a blockage.

However I must confess, we currently have not acted on this information, and still use pure o2 as emergency.

I will try and find some more information and contact information, if people wish to find out more. However as he is leading a major chamber, I would of thought he knew the latest information.

8th March 2006, 12:08	#21 (permalink)
chrismc New Member Current Rebreather/s: Inspiration Classic Other Rebreather/s: Join Date: Sep 2005 Location: North west, uk Posts: 61	Re: Treating suspected DCI with 100% O2 (is it wrong?) Whilst I hate to disagree with everyone, I have heard a similar comment before. I recently went to a presentation and talk by one of the specialists at the north west uk hyperbaric chambers. I was told that whilst 100% o2 has historically been whats taught, they are now reconsidering this. Pure oxgen causes the blood vessels to narrow. Whilst the bubbles will be reducing, this is not immediate. Therefore there is a possibility that the blood vessels will contract to the point of a bubble causing a blockage. However I must confess, we currently have not acted on this information, and still use pure o2 as emergency. I will try and find some more information and contact information, if people wish to find out more. However as he is leading a major chamber, I would of thought he knew the latest information.
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