Some patients with upper GI bleeding can be sent home after endoscopy; others require extended treatment and inpatient observation.
A 40-year-old man presented to the hospital with an upper gastrointestinal bleed. Upper endoscopy revealed a visible vessel in an ulcer base, which was treated with epinephrine and thermal coagulation. You start him on a proton pump inhibitor.
What is the recommended duration of in-house observation?