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Posted by Bostonblackie on February 27, 2006 at 21:08:43:In Reply to: Re: Phobic posted by cijit on February 27, 2006 at 18:31:36:
I think a minimum pressure is probably about 5 to make sure you are not rebreathing exhaled air. The pressure in the mask in addition to getting air past the apnea restriction also blows out exhaled air through the exhale port. The ports are different in different masks but the principle is the same.
When I had a mask put on me at my first sleep study, I freaked out too. It was mainly because the sleep tech didn't think to tell me to close my mouth when I had a nasal mask on. So the air rushed in my nose and out my mouth and I thought I was in a wind tunnel or had a hurricane or something blowing through my head. Now, when I have my mask on and my mouth closed I have no sensation of air flow at all. If you have the mask on with the prescribed pressure and are sitting up, the mask may leak a little around the edge (I get a better fit laying down)but you can get used to the mask and the pressure while watching tv or reading for an hour or so. Good luck with your efforts. (I had the UPPP surgery and as in most cases, it was painful and didn't do any good.)
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