Probably few terms in anesthesia cause more confusion than "moderate sedation". Formerly referred to as professionals. One plastic surgeon's web site boasts how his patients do just fine under local anesthesia but then he goes on to describe how his patients don't feel any pain since they are sedated. Well, that is the definition of moderate sedation. Here are definitions of moderate sedation as provided by the ASA, as well as monitoring guidelines while sedated. There is also special emphasis on sleep apnea and GI procedures under sedation.
Sleep apnea in the GI endoscopy suite Abstract on administering sedation in the endoscopy suite. Abstract is very short and not informative. You will need to find the full article at the library or buy it to get more detailed information. Gastroenterology Nursing