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[Diagnosis] What are my unclassified apneas?
#21
RE: What are my unclassified apneas?
(06-28-2021, 12:33 PM)nickjohn Wrote: Looking forward to tonight.

That was a train wreck, almost 7 hours with an AHI of 0.29 and I'm so tired. I don't know f* about sleep apnea. 
I don't snore. My oxy ranges from 91-97. Rapid breathing can lower oxy numbers.
Looking back, I see that when I raised the exhaust pressure my RR increased.
I'm going to focus on getting myself into the normal RR range. Get into normal rates and maybe get better oxy.
Should I drop ex-pressure to what?
last night was 15/7 cm. try 10/4 ??? Having someone listening for snoring, incase I go too low.
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#22
RE: What are my unclassified apneas?
First of all you don't have obesity hypoventilation syndrome, your oxygen levels are fine.

I am leaning towards these being central in nature instead of obstructive. Feeling like crap after trying the high PS you did last night would support a central nature although I am surprised your AHI was low.

I would try 8/5 and then post data. Lowest pressure and PS is best so start low and we titrate up as necessary.
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#23
RE: What are my unclassified apneas?
Had a reaction to my second vaccine shot. Did not sleep.
Posting tues 6/29 
   
Posting for wed 6/30 
   
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#24
RE: What are my unclassified apneas?
Two expanded views for wed
   
   
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#25
RE: What are my unclassified apneas?
Going off Wednesday, EPAP 5 would be considered too low with the Hypopnea present. That's the highest event type showing that night.

Note this is supposing Hypopnea are Obstructive based.

Oxygen levels between 91-97 aren't bad. 91 is obviously getting close to 88%, but it's not there where an action to increase it needs to take place. If oxygen goes to 88% for 6 or more minutes, you need supplemental oxygen. But again you're not that low.
Dave

OSCAR
Standard OSCAR Chart Order
Mask Primer
Dealing With A DME
Soft Cervical Collar Wiki
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#26
RE: What are my unclassified apneas?
It is hard to tell for sure but I think these are central in nature. Before we change pressure settings further lets try and fine tune breath waveform a bit since you don't need the square waveform. Start by changing rise time to 700.

What are your timin, timax, trigger sensitivity and cycle sensitivity currently set to?
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#27
RE: What are my unclassified apneas?
mode s
tmax 1.5s
tmin 0.8 s
rise 300 ms
trig med
cycle med
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#28
RE: What are my unclassified apneas?
For now lets try tmin 0.5 s, rise 700 and trigger high. See if you find that more comfortable and see how it affects data.

Tmin is the minimum amount of time at inspiration pressure, you don't really have a need for this setting so backing it down will ensure it has less of an effect.

Right now the rise time is supplying air/pressure faster than your spontaneous inhalation rate. This is great if you have disease and trouble breathing on your own but unnecessary in your case. Rise time on an autoset or vauto is around 1 second, with this machine the max you can do is 900 ms (900 setting), start at 700 if that feels better you can try going all the way up to 900.

Trigger of high or very high seems to help some people with central issues on PAP, it just adjusts when pressure starts to rise and I think it just has to do with getting it in sync with your breathing.

I am thinking these changes might bring your respiration rate down to the 12-15 average usually seen and they could potentially help with centrals as well since the square waveform supplies a lot more air and may be washing out your CO2 (especially in combination with your higher respiration rate).
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#29
RE: What are my unclassified apneas?
mode s 8/5 cm
tmax 1.5s
tmin 0.5 s
rise 700 ms
trig high
cycle med
THUR.7.1.2021.A
   

THUR.7.1.2021.B
   
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#30
RE: What are my unclassified apneas?
How did you feel when you produced that OSCAR? More or less comfort? Better or worse sleep? Well rested or not? I think the chart looks a lot cleaner, less variation.
Dave

OSCAR
Standard OSCAR Chart Order
Mask Primer
Dealing With A DME
Soft Cervical Collar Wiki
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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