Tube issue

[Levophed]

I'm curious to know if anyone else has ever had a similar issue to what I'm describing. I have an old ResMed S series, which I love and has never given me any issues. A few years back my doctor said I was due for a new one and gave me a Respironics PR system one remstar 60 SE (or something very similar, I can't remember the exact model). And this is where the issue started. When I use the humidifier that comes with it I found that I was constantly waking up with apneic spells like before I had the machine. My breathing with the machine was very uncomfortable, it felt like I was sucking air through a straw. Finally, I figured out that the heated tubing that connects to the humidifier is a smaller diameter than regular tubing so that would cause increased air resistance during inspiration. Unfortunately, the heated tubing uses a special connector, so there's no way to make it work with the regular sized diameter tubing. I tested this theory out by not using the humidifier for a few nights so I could hook the regular tubing up to the machine and I could breathe fine. The only issue with that is it's very uncomfortable to breath the dry air in all night. I even had the company test both machines to make sure they were providing the correct pressure. Like I said, I love my old ResMed, but I also realize that it's old and it's days are probably numbered. Has anyone else ever experience this issue? If so, is there a solution?

[LSAT]

For most machines there is normally a setting in the clinical menu to choose a regular hose or slimline hose.

[palerider]

You can easily use a regular hose on the humidifier, just disconnect the heated hose, and attach a regular one... the humidifier is designed that way.

Also, yes, there's more resistance to airflow in the smaller hose, so the machine automatically compensates by raising pressure, so that after the flow resistance, you get the set pressure at the mask.

If you use a plain hose, you have to set the tube diameter in the configuration settings.