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Sierra

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Set to CPAP Fixed Mode

Pressure 11 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 2, Full Time

Mask: ResMed AirFit P10 Nasal Pillow

Canada

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Set to CPAP Fixed Mode

Pressure 11 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 2, Full Time

Mask: ResMed AirFit P10 Nasal Pillow

Canada

I suffer from occasional CSR as well. It is a particular type of central apnea. I used to get it fairly consistently about once every month or two. The last time I had it was November. I have made a couple of changes that I think reduced the incidence of CSR. One was that I asked my doctor if I could cut the dose of my beta blocker (bisoprolol) blood pressure med in half. I used to take it twice a day, and I now take it in the morning only. It reduces the heart rate and as a result I think it reduces blood flow and can make the CVS more sensitive to central apnea. Just my own theory, but it seems to have helped. The other change I have made is to change to a fixed pressure CPAP mode instead of the auto mode. Again just my theory, but I think my AutoSet was chasing hypopnea events that were central in nature with more pressure, and the higher pressure was actually causing more central events and sometimes the full CSR cycle. If you zoom in on that event area, you are likely to see a waxing and waning of the breathing effort and typically CA events at the minimum effort points. See an example of mine below.

You may want to follow when these events are occurring for pressure, and also when you are having CA events to see if there is any pattern of it happening when the machine has increased pressure.

I am not a medical professional, but I don't think the occasional CSR flag is anything too serious. If it becomes a regular occurance you should discuss it with your GP or heart specialist. It can be an indicator of reduced function of the cardiovascular system. It also can happen more frequently if you are living at a significant elevation above sea level.

If you post your full Daily Detail page for that day, I may be able to make some more comments...