As an ER/Trauma nurse, I would think your ICU Trauma experience should be enough to be an educator in the ER- you already know all about all the procedures that typically are done in a Trauma situation- chest tubes, art lines, etc, etc.... The only thing I would reccommend is to get your TNCC if you don't already have it, & "sit in" on as many traumas as you can- just to observe & learn how things are in a trauma situation as opposed to the (usually) more controlled setting of the ICU.