Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Image of colonic distension and bowel looping in air insufflation colonoscopy vs water-aided colonoscopy. A: Air insufflation colonoscopy causes significant distention of the colon in both length and width. The air promotes looping of the bowl at the flexure points leading to difficult navigation of the colonoscope; B: Water insufflation utilizes gravity to pull the colon down while providing minimal distention and looping. AI: Air insufflation; WI: Water insufflation.
