例1,男,14岁。呕血、黑便6小时入院。2年前曾有上腹隐痛、呕血及黑便史,X线钡餐检查提示“胃窦炎”。入院时血Hb58g/L,大便潜血试验阳性。急诊胃镜检查发现贲门小弯侧有一1.2×1.0 cm大小溃疡,有活动性出血。活检病理诊断:慢性溃疡伴出血。入院经止血及对症治疗,2天后呕血止,5天 Example 1, male, 14 years old. Hematemesis, melena 6 hours admission. 2 years ago had abdominal pain, hematemesis and melena history, X-ray barium meal prompts “antral gastritis.” Blood Hb58g / L on admission, fecal occult blood test positive. Emergency gastroscopy found a small cardia side of a 1.2 × 1.0 cm size ulcer, active bleeding. Biopsy pathological diagnosis: chronic ulcer with bleeding. Admission by the hemostasis and symptomatic treatment, 2 days after hematemesis stop, 5 days