女性患儿,10岁,以突然大量呕血(总量约300ml)、黑便1天入院,伴头晕、乏力和上腹痛;患儿呈贫血貌,血压70/40mmHg,皮肤、粘膜无出血点及紫癜,上腹有轻压痛,肝脾未及,实验室检查血红蛋白8g/dl,白细胞8200/mm~2,中性68%,淋巴32%,血小板20万/mm~2,大便柏油样,潜血强阳性,有大量钩虫卵,诊为 A 10-year-old female patient was admitted to the hospital with a large amount of hematemesis (total volume of about 300ml) and was admitted to hospital for one day with dizziness, weakness and upper abdominal pain. The patient was anemic with a blood pressure of 70/40 mmHg, no bleeding on the skin and mucous membranes, Purpura, mild tenderness on the abdomen, liver and spleen not yet, laboratory tests hemoglobin 8g / dl, white blood cells 8200 / mm ~ 2, 68% neutral, lymphatic 32%, platelets 200000 / mm ~ 2, Strong positive, a large number of hookworm eggs, diagnosed as