1　上消化道出血常见疾病1.1　胃、十二指肠溃疡　据我国临床资料 ,上消化道出血4 8.7%～ 5 2 .75 %由于溃疡病所致 ,其中以十二指肠球部溃疡出血占多数。根据慢性病程、周期性发作及节律性上腹痛 ,一般可作出初步诊断 ,进行上消化道 X线钡餐检查 ,如见典型的龛影 ,则诊断确立 A common upper gastrointestinal bleeding 1.1 Stomach and duodenal ulcer According to clinical data of our country, upper gastrointestinal bleeding 4 8.7% ~ 5 2 .75% due to ulcer disease, of which 12 cases of duodenal ulcer bleeding accounted most. According to the chronic course of disease, recurrent seizures and rhythm of upper abdominal pain, the general diagnosis can be made for the upper digestive X-ray barium meal examination, such as the typical Kanying see, the diagnosis established