Intranasal Narcan Training for the Prehospital Care Provider

Pupillary Response
  • Normal pupils are 3.0-5.0mm in diameter.
  • Pinpoint pupils can be defined as those that are less than 2.9mm in diameter.
  • To examine an eye, start with the eye open, noting the pupil size, then shine a pen light over the pupil and look for change. 
  • Pinpoint pupils will not have a reaction. 

Both pupils constrict consensually 















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