2mg IN rarely needs to be titrated, I'm not 100% sure what the fear is? IV naloxone is far more unforgiving.
Perhaps I've just seen too much ham handed BVM use.
The number one reason is (possibly) misplaced accountability fears.
A very, very close number two is the FDA's stance on "adulterated gasses" makes the blenders a serious pain in the *** to obtain and carry around.
Worked one place that had it, and it was great. Maybe one day we can get it...
Last time I checked, my ambulances/aircraft weren't really any dirtier than an ED room. I've worked in both. Preventing contamination is more of a training issue than anything.
Ok, I'll admit I'm grumpy and I apologize for that.
That said, there's a number of ways to obtain the info you're looking for. Maybe not with a neat little clean number (that really means very little without a baseline ABG, but that's another story), but honestly good assessment skills won't...
Yes, and medicine is the real job of EMS providers. Not public safety, not firefighting...delivering medicine in out-of-hospital, transport and austere environments.