My CPAP machine is set to EPR level 2. My AHI last night was 4.1 (it varies from night to night; another night it might be 10). What do the initials AHI and EPR stand for and what are their significance?

Has anyone pointed out that there are two different causes or types of sleep apnea? One is obstructive sleep apnea, in which some floppy part of your mouth/throat intermittently blocks the air passage. The other, rarer, is neurological, in which your brain or nervous system occasionally stops sendin...

I think this must depend on your local Lincare office. I have found the staff at the Lincare Chantilly, VA, office to be extremely friendly and helpful. They have several highly experienced sleep/respiratory therapists on their staff. My understanding from a sleep therapy clinic physician in Ashburn...