endoscopy unit.
During procedures with light to moderate sedation, we monitor the
patient's heart rate, oxygenation level with continuous pulse oximetry,
non-invasive blood pressure and concentration of end-tidal CO
2
with
capnography.
• Deep sedation. Patients with health conditions that make proce-
dures more medically complex or who are scheduled to undergo
more involved procedures such as endoscopic retrograde cholan-
giopancreatography (ERCP) receive anesthesia-directed deep seda-
tion with propofol. Deep sedation might also be required if, for exam-
ple, multiple biopsies or the anticipated removal of multiple polyps is
expected to extend the time of a colonoscopy. In-room anesthesia is
provided by CRNAs with oversight by an anesthesiologist, who also
