Maybe when drug use is suspected? Why would you use it on someone you thought had a medical emergency like a stroke, heart attack, etc.?
I was watching part of a custody hearing on YouTube the other day where the dad revived his unconscious wife with Narcan. She swore up and down she had only passed out after drinking five beers. When she tested positive for fentanyl she said it must have been in her Advil.
@Super-Chevy454 - it had to be. Lourdes is a mouth breathing Sasquatch. She definitely doesn't look like that.