(07-29-2013, 12:39 PM)ScrewtapeJenkins Wrote: I am correct, though, that a person on cpap shouldn't experience events of waking up gasping for air? Even if I had a mask that was leaking a little bit, that shouldn't happen, right?
You are absolutely correct that you should not be waking up gasping for air.
There are three things which are likely to cause this problem:
1.) Sleep position. When we roll onto our back our pressure needs are usually much higher, especially when we are in REM sleep stage. Solution: wear a snug fitting teeshirt with a tennis ball in a pocket sewn right between the shoulder blades. It really works great me. Or, I think Shastzi prefers a light knapsack with a couple tubes of tennis balls in the knapsack.
2.) Large leaks can cause the pressure to be too low and can allow apneas. This is one of the reasons a data-capable machine is needed, so you can see full details on what was happening while you were sleeping.
3.) On fixed CPAP machines, the prescribed pressure may be too low. Our needs vary from night to night, so often a titration sleep study will end up prescribing too low of a pressure.
During titrations, it is common for therapists to raise the pressure in steps of 1 cmH2O, or in steps of 2 cmH2O if time is short like sometimes happens in a split night study when the patient is unable to fall sleep right away. So I would not be hesitant to raise the pressure to 14 or 15. However, I suspect that if you can make sure you stay off your back when asleep (as per item 1 above), the waking-up-gasping-for-air will stay away and a pressure of 13 will likely be more than ever needed, because the 13 was likely measured during your titration while you were sleeping on your back.
By the way, do not get a ResMed Escape Auto. Avoid any ResMed machine with Escape in the name, or any Philips Respironics model with Plus in the name, because these are not fully data-capable machines.
A "gently used" S9 AutoSet with humidifier and heated hose is $569 from Supplier #2
on our supplier list.
In the mean time, be sure to change the air filter occasionally (like monthly) on your current and future machines.