I have been using APAP for 4 months and, with help from kind people on these forums, I have managed to get my AHI consistently below 1 - often well below. I am at the point where I am starting to question some of the event flags, as I gradually realise that the machines are not perfect at this.
I would like to offer for comment the only 3 events flagged last night, to see if I am right to be sceptical. I have synchronised the data from my Resmed 10 APAP and my Wellue SleepU pulse oximeter.
Event #1
This doesn't look at all like a typical hypopnea to me. The movement right from the start of the event and the pulse spike 30s later are what I see a lot of, and believe to be arousals? This particular one woke me up - 90% of them don't. The lack of any oxygen drop makes it even less likely to be a hypopnea, I believe - according to the official definition anyway (though I realise the ResMed has no way to take that into consideration).
Event #2
This CA was flagged while I was surely awake. At 4:18:30am I awoke (it's not clear why) and then immediately realised I needed to do one of my patented sniff-flags (5, to say I was on my right side). I do this to help me study how many times each night I am actually awake (typically 7 times) and also help work out if one side is better for me than the other (as in the hospital's PSG, it doesn't appear so). This was accompanied by a synchronising movement spike as I deliberately sharply twisted the wrist containing the oximeter. Did I really fall asleep and have a CA less than 60s later?
Event #3
This OA shows similar activities to Event #1, and I believe we are looking at an arousal without wakening?
Thanks for any guidance. Understanding which events are real and which aren't will help me improve my titration, which is going very well actually. I felt like I slept really well last night, with slightly fewer awakenings than normal (only 6, I think). If I am right about all 3 events being spurious, then I had another event-free night - and yet my oximeter yet again says I had a poor night!
Are any of these events real?
Are any of these events real?
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Machine: AirSense 10 AutoSet with Heated Humidifer + P10 Nasal Pillow Mask Bundle |
Additional Comments: ResMed F20 also; Oscar; SleepHQ; Wellue SleepU oximeter; iphone sleep stages |
Re: Are any of these events real?
Can you repost 1-2 graphs WITH the left side showing all the necessary info without which it's hard to say a lot about them... calendar is NOT necessary.
Re: Are any of these events real?
Sorry, I thought they were self-explanatory standalone, but sure - here you go. Thanks for your help.
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Machine: AirSense 10 AutoSet with Heated Humidifer + P10 Nasal Pillow Mask Bundle |
Additional Comments: ResMed F20 also; Oscar; SleepHQ; Wellue SleepU oximeter; iphone sleep stages |
Re: Are any of these events real?
I don't think that you were sound asleep when any of those 3 zoomed in on flagged events got scored.
Awake breathing is very irregular when compared to asleep breathing but the machine only measures air flow/breathing so it can and will flag that irregular breathing as some sort of apnea event. The machine can only call them like it sees them.
It doesn't have any way to know that we discount/ignore awake flagged stuff. It is what it is.
Awake breathing is very irregular when compared to asleep breathing but the machine only measures air flow/breathing so it can and will flag that irregular breathing as some sort of apnea event. The machine can only call them like it sees them.
It doesn't have any way to know that we discount/ignore awake flagged stuff. It is what it is.
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Machine: AirCurve™ 10 VAuto BiLevel Machine with HumidAir™ Heated Humidifier |
Additional Comments: Mask Bleep Eclipse https://bleepsleep.com/the-eclipse/ |
I may have to RISE but I refuse to SHINE.
Re: Are any of these events real?
That's exactly what I thought, Pugsy, having studied your comments on similar waveforms recently! Thanks for the confirmation.
_________________
Machine: AirSense 10 AutoSet with Heated Humidifer + P10 Nasal Pillow Mask Bundle |
Additional Comments: ResMed F20 also; Oscar; SleepHQ; Wellue SleepU oximeter; iphone sleep stages |