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Thoughts on this breathing pattern?
#1
Thoughts on this breathing pattern?
So, I am hoping the hive might be able to shed some light on this.  I have noticed a pattern, not often, but every once in a while, that just makes me wonder what is happening.  The graph shows breathing gradually declining until it looks look I am startled awake and/or gasping, then go back to sleep. 

   

   

I'm not overly concerned since it doesn't happen every night (or even most nights; the two shots I found are the only solidly defined events like that I see in 2 weeks), but I was curious if people have experience with it.  If I had to guess, I would say I am either chin tucking, or blocking my vent/hose somehow, but its only a guess.
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#2
RE: Thoughts on this breathing pattern?
Sounds like central.
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#3
RE: Thoughts on this breathing pattern?
I'm not sure I would agree. I mean, I never stop breathing, just the volume gradually goes down until I take a sudden recovery breath. But I never completely stop..
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#4
RE: Thoughts on this breathing pattern?
Not central, but it reminds me of, but is not, CSR.  It is fading slowly but over a too long of a period to be CSR which looks almost like a synchronous sine wave.

I don't know what this represents.  If you have a pulmonologist I'd show it to him.
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#5
RE: Thoughts on this breathing pattern?
Well, thanks for posting that.  Bug-eyed I had been just starting to get my severe health anxiety under control... Sigh... (I knew I shouldn't have even posted). 

Anyway, don't have a pulmonologist since moving. But I will now be thinking about it all weekend...  Nervous
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#6
RE: Thoughts on this breathing pattern?
Any chance you can post the flow chart along with the flow limitation chart? Your stats don't show much for flow limitations but the chart might show a connection.
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#7
RE: Thoughts on this breathing pattern?
I think Walla is in the right track. This appears to be slowly increasing flow limitation or restriction that happens over a long enough time the machine fails to increase pressure. The event terminates in an arousal and recovery breathing typical of RERA.
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#8
RE: Thoughts on this breathing pattern?
I will have to take a look when I get home, but I remember a small blip, but nothing huge. 

In my mind it seems like some sort of obstruction, since both have recovery breaths (unlike PB or CSR). I notice if I tuck my chin it feels harder to breath, so I sort of imagined my head gradually tucking till it wakes me ..
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#9
RE: Thoughts on this breathing pattern?
AS requested, here are graphs showing leaks and flow limits:

   

   

I noticed on one, it does detect some FL before the wake.  I noticed on the other that the leak increases at the same slope as the breathing decreases, so I wonder if it is something related to that. 

As it is, this is such an uncommon event for me, I'm really trying not to overthink it. In fact, I have to go back a full month before I find another similar event (but this one starts with a bigger FL before the decline).

   
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#10
RE: Thoughts on this breathing pattern?
I don't see the flow limitations like I thought I would. I'm thinking a small mouth leak that slowly grows and the recovery spike is you waking up from it.
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