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Unwell feeling, SpO2 drops immediately when falling asleep, large Flow Rate
I keep having days where I start feeling "unwell" and tireder then normal. Then during the night, when I transition to sleep, less then a minute later, my Contec O2 alarm goes off, with my O2 dropping <90 and I start having CA's. Doesn't matter if I set it as low as 84%, it will go off. My O2 is fine when I wake back up.

I've been to Urgent Care and the ER multiple times for this issue, and they keep telling me to see my sleep doctor.

Now if anyone recalls....I was in the hospital a week ago for DVT/PE (blood clots in lungs). I got put on blood thinners (Xarelto). I've been breathing just fine again the last few days and nights have been good.

What I notice during these nights where I have trouble sleeping, is that the FLOW RATE graph is a lot larger than normal nights. I'm not sure if that means I'm breathing deeper or what?

Tonight....I just tried to fall asleep and see how my breathing goes periodic and then CA starts.

ResMed AirCurve 10 vAuto
Pressure EPAP min 5.6, IPAP Max 16, PS 3.

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I also want to ask, if anyone thinks it may be an alergic reaction to some food or something? 

I'll feel flush, and start feeling nervous all over, and my stomach starts churning, like I'm going to have a panic attack. One doctor thinks I may be allergic to some foods, so I'm going to see an Alergist next week.

Another doctor said to go see a NEUROLOGIST, but I'm not sure how they could help. This is very sporadic. Most nights I'm okay, and then I'll have a night where I can't get to sleep because my O2 keeps dropping when i transition to sleep.

And why is the flow rate so large? Usually it is smaller like in the previous day below.
ResMed AirCurve 10 vAuto
Pressure EPAP min 5.6, IPAP Max 16, PS 3.

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Well I had yet another episode last night. Felt flush and red in face, stomach not feeling well, respiratory drive depressed. Had to stay awake until 2pm and it eventually went away. But it still caused some CA's to appear when transitioning to sleep. Not as bad as some other nights, where CA's caused O2 drops. 

ResMed AirCurve 10 vAuto
Pressure EPAP min 5.6, IPAP Max 16, PS 3.

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I really feel for you on this situation. I too have medical issues that I've had multiple tests for only to come up with "we don't know what is causing this" as the answer.

As for food allergies et al, you've probably heard and/or have done this, but you'll probably need to create a food journal to track what you've eaten. In doing so, you would have to discover a pattern linking food to symptom. Maybe you could note other peculiar activities with the days the symptoms appear and/or are different than your norm.

Best wishes on getting this troublesome issue pegged and conquered.

I'm not a doctor in real or fictional life. My posts include opinions based upon user experience regarding CPAP therapy and should not be considered medically professional direction or advice. Even a 1,000 mile trip requires a good first step. My recommended first steps include getting good walking shoes, 1 great cup of coffee, and a good GPS.

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Thanks Dave. 

Last night was bad as well. When transitioning to sleep I had some CA's, which I know can be normal. But I felt like my O2 was lower then normal, and my arms started feeling weird like not enough oxygen going through them. They felt tingly a little. And immediately when I fell asleep, my O2 alarm went off that it dropped. I was okay then for some of the night afterwards. Got a little sleep. But then woke up again to the alarm going off at 79%, due to a 38sec OA.

ResMed AirCurve 10 vAuto
Pressure EPAP min 5.6, IPAP Max 16, PS 3.

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