Table 5.

Endoscope selection according to body weight

Weight	Upper gastrointestinal endoscopy	Lower gastrointestinal endoscopy
2.5–10 kg	A narrow upper gastrointestinal scope with an outer diameter ≤ 6 mm is recommended, especially for patients who weigh < 5 kg Consider a normal-diameter upper gastrointestinal scope if necessary (especially for therapeutic endoscopy)	A small- or normal-diameter upper gastrointestinal scope with an outer diameter ≤ 6 mm can be used for patients who weigh 5–12 kg
> 10 kg	A normal-diameter upper gastrointestinal scope can be used Therapeutic scopes can be selected for therapeutic endoscopy	A colonoscope with an outer diameter of approximately 11 mm or a typical colonoscope can be used