I was scheduled to have a colonoscopy.  When I first came in the nurse started to prep me for an esophagogastroduodenoscopy.  She left the room and then came back about 10 minutes later asking for clarification about what procedure I was expecting to have.  Eventually things were straightened out and the correct procedure was performed, but it is concerning that there was not a clear understanding from the beginning of what was to be taking place.
AMCS GI