Gastrointestinal bleeding.

• On the basis of strong research evidence, children with severe upper gastrointestinal tract bleeding should be treated with intravenous proton pump inhibitors. • On the basis of some research evidence and consensus, children with severe gastrointestinal bleeding should be evaluated by endoscopy. • On the basis of some research evidence and consensus, children in whom endoscopy has not been able to confirm a bleeding source should be considered for capsule endoscopy.