Curiosity - CA vs OA how are these different

[Walla Walla]

So that means my guess was wrong. Drats!

[SarcasticDave94]

So that means my guess was wrong. Drats!

I'm guessing that I'm likely wrong too. I'll leave chart reading to the pros that knows. I'll view charts and posts of others to try to learn more.

 Dave

[HalfAsleep]

Both apnea events look the same to me.  The machine in your case makes the call based on forced oscillation technique (FOT).  Since the machine cannot measure chest effort which defines the difference between OA and CA, it is based on the return wave to the sensor from FOT.  There is always some doubt about the accuracy of this method. Although it is based on considerable research and is accurate for most people, most of the time, it is not infallible.   I actually think both of these examples are CA, especially with the OA being recorded just before you awaken and end the session.

Thanks. This is the exact question I had in another post, namely if some CA's could be getting mis-read as OA's. A lot of my "Oa's" look like CA's as far as the squiggle waveforms, entry, and exit.