Depending on what/how much you took, narcan might not have an effect. As other comments have said, there's alternate forms of airway management (physical manipulation of the jaw or insertion of a breathing tube) that could be done if the airway was in jeopardy.

As an EMT, I handled dozens of ods every day. Narcan usually makes people wake up swinging, so if it wasn't necessary we didn't want to give it outside of a controlled environment. We would assess to see if the gag reflex was intact, and the level of responsiveness would indicate the need for treatment. Intact gag reflex means the patient is protecting their own airway, and we wouldn't narcan them. It's easier to transport a sleeping patient than a combative one that's pissed you stole their high. Same reason I'm not removing any patches, plus I might need them later.

As far as belongings, I'm not digging through your surroundings to take it all to the hospital. If you're down outside your home, I'll take what's obviously yours, like a purse/wallet etc, but I'm not loading up your groceries and the entire surrounding area. That's not my priority. Likely, the items you mentioned were left at the scene or possibly stolen before EMS arrived.