Early Videocapsule Endoscopy for Upper Gastrointestinal Bleeding

Inclusion Criteria: * Age ≥ 18 years * New onset of acute gastrointestinal bleeding defined as: 1. The presence of melena/maroon stool on physical exam OR history of melena/maroon stool within 48 hours of emergency room presentation PLUS 2. Hemoglobin drop of ≥ 20 g/L from patient's baseline * Have capacity to consent * Hemodynamically stable (i.e. blood pressure \>100/60 or pulse \<110 at the time of consent) * Initial gastroscopy negative for active bleeding or potential bleeding source Exclusion Criteria: * Inability to provide consent due to lack of capacity, language barrier or other reasons * Pregnant women * Prior history of small bowel surgery * Prior history of Crohn's disease * Prior history of small bowel or colonic strictures * Prior history of abdominal radiation