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

Gastrointestinal bleeding is a dangerous condition that can be life-threatening if not detected and treated promptly. Gastrointestinal bleeding is divided into upper gastrointestinal bleeding and lower gastrointestinal bleeding, of which upper gastrointestinal bleeding is more common.