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Events not being tracked as an event - Printable Version

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Events not being tracked as an event - liquilife - 07-28-2022

I woke up a few times in the morning with mild apnea events. When I went to look at the data in OSCAR it said I had had only 1 event around midnight. But when I had a closer look at the flow rate I was able to see an interruption on the flow rate which should have been noted as an event. Anyone know why this is happening? Thanks in advance!


RE: Events not being tracked as an event - Crimson Nape - 07-28-2022

It didn't cross the 10-second minimum threshold to be scored as an event.


RE: Events not being tracked as an event - liquilife - 07-28-2022

Interesting. That makes sense. Is there any way for this threshold to be changed? These events wake me up, especially in the early morning.


RE: Events not being tracked as an event - Sleepster - 07-28-2022

I believe you can change the threshold in OSCAR, but I don't know why you'd want to. Events like that may just be a reaction to you waking up. As you adapt you likely either sleep through them or if you awaken you'll have no memory of it. If you're looking for a perfect record that shows every awakening as an event, or even every event as an awakening, that's just not realistic.


RE: Events not being tracked as an event - Crimson Nape - 07-28-2022

There are user defined flags in OSCAR.  I don't believe they are added to your AHI because they are not defined by the CPAP.  This would be considered as altering its data.

It can be a 2-step process to set it up, with the 2nd step being optional.
Go to File ⇾ Preferences ⇾ CPAP tab, select the option on the left, Custom CPAP User Event Flagging.  Set one or both and set them to the limits you wish to flag.

Step #2 - Optional - Select the Events tab and look for the User Flag# name.  You can rename these parameters to a more descriptive name here.  Just enter your new label name in the Label column.  As an example, when I used them in the past, I used labels like, 20%@8 sec.  This will provide an easy clue as to the events they are reporting.

Remember to press the OK button and not the Cancel button to exit the Preferences menu.

- Red