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From: <gmiiii@in*.co*>
Date: Wed, 24 Jul 1996 04:37:25 -0700
Subject: Re: Checking for PFO - addendum
To: Peter Heseltine <heseltin@hs*.us*.ed*>
Cc: techdiver@terra.net

  Peter, if yo could arrange that, we can get it down there and do it. We have 
discussd this before, and have done it right after surfacing - FSU conducted
the 
tests, but everyone who lived was clean. Exley used to hang around for hours 
getting dopplered. -G

On Tue, 23 Jul 1996, Peter Heseltine <heseltin@hs*.us*.ed*> wrote:
>After I wrote this the obvious struck me: Maybe the water pressure on 
>your chest (which usually raises right sided pressures) keeps 
>almost *everybody's* foramen ovale open while they dive! Here's a task 
>for you George, while you are locked in your habitat deco-ing for hours. 
>Take down a doppler and see if you can pick up R to L blood flow on your 
>buddies. These things actually work just like a video camera, so you 
>could have the unit on the surface with an umbilical. All you need is the 
>jelly to spread on your buddies chests. Hmm.
>
>-ph
>Peter Heseltine wrote on 7/22/96:
>	 
>Maybe the extra pressure on
>your chest from the water keeps the PFO closed 99.999% of the time, even
>in people who have one.
>--
>Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
>Send subscription/archive requests to `techdiver-request@terra.net'.
>
>

George M. Irvine III
DIR WKPP
1400 SE 11 ST Ft Lauderdale, FL 33316
954-493-6655 FAX 6698
Email gmiiii@in*.co*

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