Gastrointestinal bleeding is a dangerous medical and surgical emergency, common in developing countries, including Vietnam. According to statistics in our country, for every 100,000 people, 50-150 people have gastrointestinal bleeding every year

Upper gastrointestinal bleeding is defined as bleeding originating in the esophagus, stomach, and duodenum. Upper gastrointestinal bleeding is a common medical emergency and can be life-threatening.

Lower gastrointestinal bleeding is one of the common causes of hospitalization for digestive diseases. Colonoscopy is the initial procedure used in nearly all patients