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AirSense 10 Max Pressure setting - Printable Version

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AirSense 10 Max Pressure setting - Tomt - 02-05-2024

Hello. I'm looking for some help in understanding the functionality of the ResMed AirSense 10's setting for Max Pressure in the clinical menu.

I have a new machine (replacing my original Air Sense 10) and a new ResMed N20 mask. Regardless of what I do, my leak rate is pretty high (over 32 l/min). In doing some research to see what I can do to reduce this, one suggestion was, as long as my AHI was low enough (it was 2.5), to try reducing the max pressure in the clinical menu. It was by default set to 20 and since my sleep report showed a pressure of 16.3 i decided to reduce the max pressure to 14 to see if that would help.

To my surprise, the following night the report still showed the pressure at the same amount (over 16). I assumed that the max pressure setting would ensure the pressure did not go above the number I set. 

I wonder what I'm missing here and am hoping someone can let me know what's going on.

Thanks in advance for any assistance.


RE: AirSense 10 Max Pressure setting - PeaceLoveAndPizza - 02-05-2024

If you could post an OSCAR chart that would help.

One thing to consider is that the machine session day is noon to noon. If you used the machine at the original settings, then changed it, the report could show the highest it achieved in the original settings. OSCAR will help with finding the gremlins.


RE: AirSense 10 Max Pressure setting - staceyburke - 02-06-2024

To be able to help you we need data, the data that oscar gives us.  oscar is completely free and downloaded from the top of the site.  You will need a SD card in the machine while you sleep.   Then you can download the information into oscar and you will have everything that will allow us to help you.


Without seeing the data I am guessing (I repeat GUESS) it has to do with your flow limits and we can help with that if know for sure by looking at your oscar charts.


RE: AirSense 10 Max Pressure setting - Tomt - 02-06-2024

Thanks for the responses. I have downloaded and installed OSCAR. I do have some imported data now. Not sure how to post the data in the forum tho...


RE: AirSense 10 Max Pressure setting - PeaceLoveAndPizza - 02-06-2024

See the links in my signature on "Organise your OSCAR Charts" and "Download OSCAR software". If you have any challenges after reading and giving it a go, let us know and someone can help.


RE: AirSense 10 Max Pressure setting - Tomt - 02-07-2024

(02-05-2024, 09:48 PM)PeaceLoveAndPizza Wrote: If you could post an OSCAR chart that would help.

One thing to consider is that the machine session day is noon to noon. If you used the machine at the original settings, then changed it, the report could show the highest it achieved in the original settings. OSCAR will help with finding the gremlins.

Thanks, and here is the chart. Please let me know if this is correct and sufficient.

thanks again for your help with this.


RE: AirSense 10 Max Pressure setting - Tomt - 02-09-2024

(02-07-2024, 02:57 PM)Tomt Wrote: Thanks, and here is the chart. Please let me know if this is correct and sufficient.

thanks again for your help with this.

Did the chart help?


RE: AirSense 10 Max Pressure setting - PeaceLoveAndPizza - 02-09-2024

It does not look like you chart attached. You need to go to the “attachments” section, click on “chose file”, select either a photo file to attach, then click on “add attachment” which will add it to the bottom of your post.


RE: AirSense 10 Max Pressure setting - Tomt - 02-09-2024

I could have sworn I attached the chart. Anyway, here goes again...


RE: AirSense 10 Max Pressure setting - G. Szabo - 02-09-2024

OSCAR reports max pressure 12 setting. And you still have high leak rate. I guess, you should alter your mask setup / straps or use a different mask that fits better. 
The expert on this forum will provide further suggestions , I believe.