I did the same thing. I went from Nursing School to Endo with a little over a year of experience and an ER Tech. That was helpful because during that time I was able to gain comfort with quickly...
Dunno about a Drs offive but I worked Endo in a large hospital. We saved many people from "investigational" surgery as there are many things that can be done via endoscopic means vs other exploratory...
At the hospital I used to work at, we did the double ballon endoscopy in one of our larger procedure rooms with Anesthesia present. As it is a new procedure, finding endo clips, forceps and other...