Your O2 saturation is the measured oxygen level in your blood. It is usually in the high 90's and your qualify for supplemental oxygen if it is below 85%. It is created by the intact of oxygen from the air you breathe and determined by how much gas exchange is occuring in the lungs. Normally you tak...

I'm going to my doctor tomorrow for the first time since I started treatment and am going to see if I am fitting the mask correctly and then ask about other options. The swift seems like a reasonable option if the breeze isn't doing the job. Thanks for the input.