Outpatient colonoscopies are very common, indicated for various reasons, and are more commonly performed in outpatient surgery or endoscopy centers. There is an increase in the use of propofol for sedation because of the short duration of action and quick turn around time. Propofol has been studied extensively for safety and efficacy but patient satisfaction and preference with use has not been well documented in prospective, randomized setting. In the context of the recent changes in healthcare reimbursement where patient satisfaction is becoming an important metric providing data that could improve patient satisfaction is needed.