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re: Having a sleep study at the sleep clinic tonight. What to expect?

Posted on 7/26/19 at 1:09 pm to
Posted by JJ27
Member since Sep 2004
61896 posts
Posted on 7/26/19 at 1:09 pm to
I understand. Just ask the doc if you had any central or mixed apnea. If you just have obstructive, honestly your insurance company would prefer if you just get an APAP. 20 year RPSGT here, happy to help you out in any way.
Posted by JJ27
Member since Sep 2004
61896 posts
Posted on 7/26/19 at 1:15 pm to
Also, you might not have “quit breathing” 24 times an hour. That number is inflated with hypopnea. An apnea is a cessation of airflow for at least 1 seconds. If you continue trying to breathe while this happens, it’s obstructive. If you flat out quit breathing, it’s central. If it starts out central before you try to breathe, and then finally breathe that is mixed. It requires nothing else as far as your oxygen level.

A hypopnea is a 30-90% decrease in your effort and a drop of 3-4% of your SaO2 depending on the lab. I personally use 4% when scoring. So you could literally drop effort 30%, still breathing at 70% of baseline, and drop from 100% to 96% on your oxygen and that’s an event.

Typically that’s not really the case though. It’s more like your effort drops 70% and your oxygen goes from 96 to 85. Just trying to explain what those numbers mean.
Posted by Trevaylin
south texas
Member since Feb 2019
9612 posts
Posted on 7/26/19 at 1:30 pm to
don't know how anybody takes a sleep study without meds......

that should totally screw up the test results, might as well buy a wholesale auto titrating Cpap and three bottles of lithium
Posted by Nawlens Gator
louisiana
Member since Sep 2005
5945 posts
Posted on 7/26/19 at 1:34 pm to
I think the most important result is your blood oxygen level. Snoring and breathing interruptions that cause your blood oxygen to drop too far is something that needs to be fixed.

I suggest a heavy dose of alcohol (beer/wine/etc) prior to going in so you get tested in a realistic condition. It will also help you sleep.

If they recommend a cpap machine, be sure and get a prescription from the doctor so you can shop around for the best machine and not get stuck with the clinics brand and kickback.



This post was edited on 7/26/19 at 1:50 pm
Posted by nctiger71
North Carolina
Member since Oct 2017
1414 posts
Posted on 7/26/19 at 1:35 pm to
quote:

Wife does not like the CPAP cause it makes noise; especially when you go into deep sleep.

quote:

How loud is it? Wouldn't she rather hear the CPAP than you snoring?

I am asleep so I don't know how loud it is. But you are correct, I think she would rather hear the machine as it is the lesser of 3 evils.
- waking up with her dead husband next to her
- my snoring
- the noise from the machine

Usually it is quite when I go to sleep. I think the way it works is as I go into a deeper sleep my air passage begins to close as I relax and then the machine increases the air pressure, and the noise, to push more air through to keep the passage open.
If she wakes up when that is going on she has a hard time going back to sleep.

I should know more about how it works such as the settings, etc.; I can probably learn a lot by reading this tread.

Moving it off the nightstand seems like a good idea. Thanks


Posted by deeprig9
Unincorporated Ozora
Member since Sep 2012
72991 posts
Posted on 7/26/19 at 2:09 pm to
My nasal passages are all jacked up, i can barely breath through my nose consciously. Is there a cpap that works over the mouth or does that create danger of drowning in drool?
Posted by nctiger71
North Carolina
Member since Oct 2017
1414 posts
Posted on 7/26/19 at 2:31 pm to
I don’t know.

Seems like greygoose and JJ27 are the experts on this subject.

Posted by LSUBoo
Knoxville, TN
Member since Mar 2006
103476 posts
Posted on 7/26/19 at 2:34 pm to
quote:

Is there a cpap that works over the mouth or does that create danger of drowning in drool?



The cpap/apap won't matter, there are plenty of masks that are full face so you can breathe through your mouth or nose. I got one that's mouth and nose, and when I was getting used to it I found it weird to breathe through my nose wearing it so I would start out going to sleep breathing through my mouth and always wake up only breathing through my nose. Now I'm used to it and always breathe through my nose with it on, but I haven't tried other masks that are nose only, I'm just used to this one now.
Posted by Chucktown_Badger
The banks of the Ashley River
Member since May 2013
35782 posts
Posted on 7/26/19 at 2:35 pm to
After reading this thread, I now know who is fat.
Posted by tigerfoot
Alexandria
Member since Sep 2006
60651 posts
Posted on 7/26/19 at 2:48 pm to
quote:

I suggest a heavy dose of alcohol (beer/wine/etc) prior to going in so you get tested in a realistic condition. It will also help you sleep.

I can't imagine this is sound advice
Posted by ccomeaux
LA
Member since Jan 2010
8184 posts
Posted on 7/26/19 at 3:02 pm to
Little to no sleep
Posted by Jobu93
Cypress TX
Member since Sep 2011
21142 posts
Posted on 7/26/19 at 5:14 pm to
I rarely can breathe through my nose so a nasal pillow likely won’t work. My unit is set to a 9 pressure and my “score” was a minimal 13.

Like I said, wife is happy that I don’t snore and I do acknowledge I get a better nights sleep. But I think I have a minimal case.
Posted by prplhze2000
Parts Unknown
Member since Jan 2007
56862 posts
Posted on 7/26/19 at 8:25 pm to
How much is a home test?
Posted by JJ27
Member since Sep 2004
61896 posts
Posted on 7/26/19 at 8:54 pm to
quote:

How much is a home test?




Varies depending on where you get it done. For my lab, it’s about 1/6th the price of an in lab study. Zero overhead, so it doesn’t kill labs like it was stated earlier.
Posted by greygoose
Member since Aug 2013
14185 posts
Posted on 7/27/19 at 10:14 am to
quote:

understand. Just ask the doc if you had any central or mixed apnea. If you just have obstructive, honestly your insurance company would prefer if you just get an APAP. 20 year RPSGT here, happy to help you out in any way.




I shite you not, several years ago I had a doc tell me that he wasn't going to write for APAP as much as in the past. He said he was losing too much money on not re-studying his patients.
Posted by greygoose
Member since Aug 2013
14185 posts
Posted on 7/27/19 at 10:19 am to
quote:

I think the most important result is your blood oxygen level. Snoring and breathing interruptions that cause your blood oxygen to drop too far is something that needs to be fixed.

I suggest a heavy dose of alcohol (beer/wine/etc) prior to going in so you get tested in a realistic condition. It will also help you sleep.

If they recommend a cpap machine, be sure and get a prescription from the doctor so you can shop around for the best machine and not get stuck with the clinics brand and kickback.



I would never use a lab that also sells equipment. There's a reason why it is forbidden by Medicare.
Posted by danfraz
San Antonio TX
Member since Apr 2008
24550 posts
Posted on 7/27/19 at 10:24 am to
You'll be sleeping on these to see if there is any cause and effect

Posted by bamagreycoat
Member since Oct 2012
5749 posts
Posted on 7/27/19 at 10:28 am to
Hope you fail that test because if you can get it put on record that it’s dangerous for you to sleep without all that electronic crap it’ll help if you ever get in legal troubles. You’ll get house arrest or at the very worst be put in a special ward in jail for people with that “disorder”. You never know if you’ll snap one day man.
Posted by Jake88
Member since Apr 2005
78022 posts
Posted on 7/27/19 at 10:31 am to
I snore, but have no other symptoms of sleep apnea. No headaches or fatigue. I feel rested when I wake up. What are the chances I have it?
quote:

A person's heart rate can drop to, say 60, then immediately shoot up to double or more.
What happens if your resting heart rate is 58-62?
Posted by monstranceclock76
Texas
Member since Jul 2019
932 posts
Posted on 7/27/19 at 11:47 am to
Someone will tickle your taint for sure.
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