Think of flow rate as a graph of your breathing...if you zoom in close enough you can actually look at each individual breath.
Flow limitations are reductions in air flow during that breathing.
You can have reductions in air flow that can disturb breathing that don't meet the criteria to earn the OA or hyponea flag. Think of them as baby OAs or baby hyponeas that didn't or haven't yet grown up enough to earn a flag. They are very important because they can grow up and they can disturb our sleep even if they don't grow up. They are problem children.

Crazytired wrote: ↑Thu Aug 29, 2019 8:54 amI’m trying to learn and understand the data and graphs. Since this is a CPAP, I don’t get why “EPAP” is listed. I thought only BiPAP had EPAP since CPAP has just one pressure for inhalation and exhalation.
Also, what is the significance of the Flow Limitation and Flow Rate? Does it provide additional info beyond the description of events?