1. A Prospective Safety Study of a Low-Dose Propofol Sedation Protocol for Colonoscopy 
Brian W. Sipe, Mark Scheidler, Arthur Baluyut, Betty Wright 
Clinical Gastroenterology and Hepatology 
Volume 5, Issue 5, Pages e1 (May 2007)
DOI: /j.cgh
Copyright © 2007 AGA Institute Terms and Conditions

2. Figure 1
Mean Bispectral index (BIS) values over 2-minute time intervals. The BIS manufacturer has defined conscious sedation as a BIS of 70–90, deep sedation as 60–70, and general anesthesia as 40–6011 (error bars ± SD).
Clinical Gastroenterology and Hepatology 2007 5, e1DOI: ( /j.cgh )
Copyright © 2007 AGA Institute Terms and Conditions

3. Figure 2
Blood pressure over 2-minute time intervals. Circles indicate mean systolic blood pressure. Squares depict mean diastolic blood pressure (error bars ± SD). , Systolic blood pressure; , diastolic blood pressure.
Clinical Gastroenterology and Hepatology 2007 5, e1DOI: ( /j.cgh )
Copyright © 2007 AGA Institute Terms and Conditions