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I'm trying to achieve 3 things: more efficient sleeping duration and better recovery (more deep sleep) given I don't have rest days, keep my oxygen levels up, and try to keep my pulse above 40.
I only started therapy this month although I've used apps to record my sleeping for a good 10 years now. I did my first sleep study in February. Overall AHI 12.2. NREM AHI 7.8. REM AHI 43.5. Only 1.5% of my sleep was in N3 sleep and 12.5% in REM. I did get a reading of 45 bpm and a low of SpO2 90% during the study.
I played around with oximeters and smart watches before my follow up and realised my pulse can dip all the way down to 31 bpm and my SpO2 varies from 82 to 91 so it agrees with the sleep study. I work out every day and on top of that I walk 50km-60km a week. I have a family history of obstructive sleep apnea and heart disease/failure so some of these numbers I've seen in family members before.
The attached was my second good night since I started. I use my mouth to puff and exhale (for reasons beyond me) and my jaw slackens a bit when I sleep so I used 7 nights to figure out a combination of chin strap and tape to be able to tolerate nasal pillows for 8 hours. I also tend to cough or even sneeze without waking up. This has been minimised with the therapy but not entirely eliminated.
Looking for some advice on device settings because everything for me was set to auto.
Machine: Lowenstein Luisa Mask Type: Full face mask Mask Make & Model: Resmed Quattro FX Humidifier: separate F&P humidifier CPAP Pressure: Epap 4-20 PS 4-20; "auto" rate CPAP Software: Not using software
Other Comments: Using 45 degree angle upper body wedge (36"x36") and 4.5"soft cervical collar; 500 assured tidal vol
Your chart looks decent IMO except for some CA's and some spikes in your flow limitations chart (even though 0.00 95th percentile flow limitations in OSCAR.
You have EPR set to 3. This is a balancing act. At 3, your flow limitations should decrease (they are at 0.00). But the higher the EPR, the more CA's a person can have.
On top of that, the CA's could very well be treatment emergent (since you are breathing better and flushing out more CO2, you might now breathe as much).
I would suggest keep trying these settings as it can takes weeks for a person to adapt to the treatment emergent CA's. If after some time you still have a lot of CA's, you can reduce your EPR. Watch your flow limitations though, because reducing EPR may increase your flow limitations.
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