I have started adding Pleth Graphs in SleepyHead, but need an explanation of how to interpret the graphs. This is a tracing from this morning. Any ideas what is causing the abrupt changes in amplitude? https://lh3.googleusercontent.com/-Fi2GQEZKiqQ/VKO1DjIyfFI/AAAAAAAADv0/uD86UIDSafo/w727-h437-no/pl...

Last night my mask came loose and came off over a period of about an hour- luckily I woke up before my SPO2 dropped too low.

I was titrated during an 8 day stay in hospital - I came out of hospital on Wednesday, so this is all very new to me. Pressures above 10/5 were not producing a better result. There is probably a lot of scarring in my chest as a result of fractures to sternum, ribs and clavicle, as well a two surgeri...

There is nerve damage, mostly affecting the diaphragm. A partly paralysed diaphragm is assisted by gravity when upright, but is hardly functional when lying down. Before I even go to sleep my SPO2 has dropped to between 89% and 91%. During sleep I have further drops due to Central Sleep Apnea and Ch...

I am newly diagnosed with a neurological breathing problem caused by a motor vehicle accident. My sats drop about 10% when I lie down, and in addition have central sleep apnea and Cheyne Stokes breathing. At night I use a S9 ResMed ST (set at 10/5) with supplemental oxygen at 3 l/min. I have so many...