New member optimizing question

[raylock1]

   
Here is a shorter example..  Looks like only the flow rate is visible.  Do you need me to expand other lines?

[Crimson Nape]

raylock1 - I'm basing this reply about the Response option off of my S9.  This option determines how quickly the AS10 returns to the set inhale pressure from the lower EPR value, if it is use.  This setting will only work if you have your AS10 set to CPAP (fixed pressure) mode and are using the EPR feature.

[Gideon]

There are Obstructive indications, flow limits, all through, This is Mostly Mixed Apnea, This is confirming my last analysis.

[Gideon]

So Try EPR=2 tonight and see what we get. Long term I see an ASV in your future.

[raylock1]

       
Tried the above settings AND got a sleep collar from Amzon.  The CA's were reduced significantly but still too high.  Progress, I guess.  Actually felt like I slept much better.  Here are copies of the Oscar report for the night and a 2 minute version.  Thanks for all of the help!!

[Dormeo]

Raylock1, it's good to see improvement, and I'm glad you feel better. I will be curious to see what advice the experts offer next.

Bonjour, in post #16, you gave a description of what appears to be going on. I'd like to learn more. Could you tell me if this is the right picture: Rather than a series of arousals, you are seeing repeated wash-outs of CO2, which depress the urge to breath, with the resulting CAs then producing drops in O2 that trigger deeper breathing that washes out CO2, and so on. Is that more or less correct? And is it the repetition of the cycles of waxing and waning that is the main clue here?

[Gideon]

The 8 Feb close up is an arousal with the following CA likely being some tossing, not waxing and waning
with the resulting CAs then producing drops in O2 that trigger deeper breathing
On 6 Feb you almost got it.

you said "with the resulting CAs then producing drops in O2 that trigger deeper breathing " The centrals do bring down the O2 level but the response to the O2 trigger is typically more rapid breathing, not deeper breathing. CO2 levels are what are causing the deeper breath. During the central apnea, the CO2 levels are rising, if we get a sudden rise we will see a deeper breath. As CO2 levels rise you see a deeper and deeper breath which builds to a crescendo which then starts falling and they keep falling until the central is caused be dropping below the CO2 Apneic threshold. Surprisingly blood oxygen levels have a fairly minor roll in breathing rhythm. That sudden and full start is characteristic of Obstructive Apnea. So we have a combination of Obstructive and Central Apnea in a single breath, in what has to be one of the better examples I've seen of Mixed or complex apnea.

[Dormeo]

Many thanks for this additional information, Bonjour. Much appreciated.