anesthesia
"I had a "double", that is a colonoscopy and an upper endoscopy (EGD) done at the same appointment.  They used propofol for the anesthesia, it worked wonderfully!  Out like a lightbulb before the procedure, then I came to after the procedure and they wheeled me into recovery.  No real groginess or anything like that, although I was a little "tipsy", and was like a jolly old drunk for a little while ..... my wife had to tell me to stop being so obnoxious!"