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Help w/ OSCAR Data — Centrals or RERAs?
#1
Help w/ OSCAR Data — Centrals or RERAs?
Looking back on my OSCAR data, I see a ton of "clear airway" events. I'm not sure if these are true central apneas or RERAs. Even on my Dr's prescribed settings of EPAP 4 PS 6, I'm having tons of these clear airway events. Not sure if I should raise the pressure or lower the pressure support.

I'm trying to figure out why it seems like sometimes I have a slightly higher leak rate that goes down after an "arousal" or disruption in my flow rate. Is it me adjusting my mask or moving in my sleep? 

I also am curious as to what the jagged lines in mask pressure and flow rate are. It's like the mask pressure flatlines and then oscillates until my next inhale.

A common pattern I'm seeing is that I'll be asleep (typical sleep flow waveforms) and then suddenly the flow rate will get all messed up, followed by an increase in flow limitation and then a clear airway event. Then, I'll go back to my normal sleep breathing pattern... and it'll happen again. Continues until I wake up it seems.


Any help or advice would be greatly appreciated.

Here are some more charts from one of my worst nights.


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#2
RE: Help w/ OSCAR Data — Centrals or RERAs?
More charts. One shows an obstructive apnea, which I find strange as I have UARS and had a 0.0 AHI. I rarely see OA events scored... this is one of the first.


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#3
RE: Help w/ OSCAR Data — Centrals or RERAs?
Looks like your OA was when your Min EPAP was 4. You didn't have any OAs when it was 5 or 6. So I would keep it at 5. Maybe lower PS to 3 to see if CAs go down.
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