,With the patient in left decubitus position, had received a cumulative dose of 4 mg of Versed and 75 mg of Demerol, using Olympus video colonoscope under direct visualization was advanced to the cecum. 
,With the patient in left decubitus position , had received a cumulative dose of 4 mg of Versed and 75 mg of Demerol , using Olympus video colonoscope under direct visualization was advanced to the cecum .