I wonder if I am using my home oximetre properly. I leave it clipped on my finger for five minutes. Is that long enough. Too long? Should I just take an instant reading which looks better usually 98% but looks too good to be true .I can't find info on this anywhere.
btw My sprrometry was "normal "- fvc 85% fvc/fev1 ratio 97%
doctor says I just have to stay off the fags and the scars shouldn't get better. Should I pay for a ct?