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腹泻是胃肠功能失调的一个表现形式。急性腹泻与①感染、②饮食、③药物反应、④重金属毒物及其它因素有关。慢性腹泻是肠道易激综合征、乳酸酶缺乏、大肠癌、炎性肠病、营养不良综合征等胃肠疾病的一个症状。慢性腹泻可能与胃肠手术、放疗、泻剂及酒类和滥用化学制剂有关。 大部分腹泻是由感染引起的,这一观点已被广泛接受。目前争论的重点在饮食因素、药物反应及治疗方法。 当人正常一日三餐时,大约9升液体经近端十二指肠传送,估计2升来源于摄取的食物,余下7升就
Diarrhea is a manifestation of gastrointestinal dysfunction. Acute diarrhea and ① infection, ② diet, ③ drug reactions, ④ heavy metal poisoning and other factors. Chronic diarrhea is an irritable bowel syndrome, lactase deficiency, colorectal cancer, inflammatory bowel disease, malnutrition syndrome and other symptoms of gastrointestinal diseases. Chronic diarrhea may be related to gastrointestinal surgery, radiotherapy, laxatives and alcohol and abuse of chemicals. It is widely accepted that most diarrhea is caused by infection. The current debate focuses on dietary factors, drug reactions and treatment. When a person normally takes three meals a day, about 9 liters of fluid is delivered through the proximal duodenum, with an estimated 2 liters of food taken from the remaining 7 liters