上消化道系指Tre ite韧带以上的消化道。包括食管、胃、十二指肠或胆胰等病变引起的出血。上消化道出血是临床常见急症之一。上消化道出血最常见的原因是溃疡病,肝硬化并发食管、胃底静脉曲张破裂。其次是急性胃黏膜病变,食管黏膜撕裂症,上消化道肿瘤,十二指肠憩室或十二指肠炎 The upper digestive tract refers to the Trettel ligament above the digestive tract. Including esophageal, stomach, duodenal or biliary pancreatic lesions caused by bleeding. Upper gastrointestinal bleeding is one of the common clinical emergency. Upper gastrointestinal bleeding is the most common cause of ulcer disease, cirrhosis of the esophagus, gastric varices rupture. Followed by acute gastric mucosal lesions, esophageal mucosal tear, upper gastrointestinal cancer, duodenal diverticulosis or duodenal inflammation