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waking up with shortness of breath although Cpap on

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Amine +0 points · 9 months ago Original Poster

Hi

I wake up occasionnaly with shortness of breath knowing that my Cpap is on , this is happening not always but like once or twice a month , i checked my sleep report on both Oscar and sleepha and i noticed a gap in breathing and im wondering what could be the reason , why is it not happening everyday and why the report still shows very low AHI

i am attaching my sleepdata ( Oscar and Sleephq ) for that night.

Thank you in advance

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Sierra +0 points · 9 months ago Sleep Patron

That is a bit puzzling. You are feeling short of breath but are actually breathing more deeply. It may be useful to zoom in on that period of time. Also drag the Mask Pressure, and Minute Ventilation graphs up so they show along with the Flow and Pressure.

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Amine +0 points · 9 months ago Original Poster

As requested Sierra , Thanks

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PutSleepApneatoBed +0 points · 9 months ago Sleep Commentator

Could this reflect centrals?

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Sierra +0 points · 9 months ago Sleep Patron

Any centrals should be flagged on the events bar if they last 10 seconds or more. I am still not seeing the graphs well enough to see what may be going on. Are you concerned about the area on the first graph you posted with the red arrows on it?

If so can you post that graph again with the Events bar but drag up the Mask Pressure so it is displayed along with Flow Rate and Pressure. Also if this is the area of interest, zoom in a little more so we can see what is happening with the flow and mask pressure in some detail. Show the time slot from 21:55 to 22:02. Zoomed in, any events less than 10 seconds should be visible.

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Amine +0 points · 9 months ago Original Poster

Hi Sierra

Yes , i am concerned about the area i highlighted in red , i have attached the graph with events flag , flow rate , pressure , mask pressure just as you requested , i also zoomed in so you can see clearly , the time slot is from 21:56 to 22:03 .

I hope this will make the graph clearer this time , once again thanks for your help , i appreciate it .

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Sierra +0 points · 9 months ago Sleep Patron

That is helpful. There is no detected or even minor apnea event which has preceded this disruption. I think it may be as simple as you just were aroused by something and started to breathe more deeply and then you fully woke up. Then I presume you removed your mask..

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Amine +0 points · 9 months ago Original Poster

Yes i woke up and removed the mask however like i mentioned before , this happened like twice a month , the sensation is different from choking , it is more of shortness of breath as if my breathing pauses for a certain time then resumes upon waking up , this is followed by a fast heart beats , this makes me run to the balcony to breathe fresh air and that helps a lot.

Its a true mystery to me !

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Sierra +0 points · 9 months ago Sleep Patron

About all I can think of is trying a fixed CPAP pressure mode. I think I would try something like about 8.0 cm with EPR at 3 cm still set for full time to see if that helps any. More pressure, if it does not cause centrals can be helpful in getting enough air. Personally I have my machine in Auto Ramp with a start pressure of 9 cm.

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