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Stopping CPAP with low O2 high CO2
#11
thanks by the way. sorry I took your silence the wrong way. am glad you are able to post and I sent you my comments on a PM, again.

we are seeing evidence of low REM sleep, and that correlates pretty much with your sleep study.

did your dr mention the COPD four letter word?
Dedicated to QALity sleep.
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#12
quiescence at last,
Looking at Marxxx charts, how do you determine low REM sleep? Are you looking at the flow chart or something else?
I have never fully understood the flow chart other than seeing flat lines during an event. In other words, what do you look for to tell low REM sleep or any stage of sleep? Thanks in advance.
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#13
highly speculative, I will admit, as there is no sure way to tell except by EEG readouts, which none of us have...

my approach (not in any order)
1. interview with patient
2. tagging when I dream and remember for 45 days in a row
3. seeing indicators
4. reading papers about things I see
5. seeing same things in another's plots

hope this helps.

btw. what I meant by low REM sleep is low number of minutes of REM sleep if any. read about symptoms of too little REM sleep.

QAL
Dedicated to QALity sleep.
You'll note I am listed as an Advisory Member. I am honored to be listed as such. See the fine print - Advisory Members as a group provide advice and suggestions to Apnea Board administrators and staff concerning Apnea Board operation and administrative policies. Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment.
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#14
CO2 range is 35-45mm/hg
When CO2 rises in your body it causes the blood vessels in your head (and elsewhere in the body) to constrict, thus, reducing blood flow to some degree. This is why in trauma patients they dont want the CO2 out of range as it could cause further damage to head injured patients. Same rules apply in the non injured persons. If your not getting a good exhale, your not ridding yourself of the CO2 as you should and it will slowly build up over time (hypercapnia). High CPAP pressures can cause reduction in exhalation, its easy to breath in (which is what we want), but its hard to get the air out against the pressure, especially when you relax during sleep.

May be as simple as checking into E.P.R. (expiratory pressure relief) on your machine if equipped and see if that helps you.
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