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下消化道出血是指与空肠移行部Treitz韧带以下小肠及结直肠内出血。小儿下消化道出血的最常见症状为便血,由于小儿肠道通道过快,故饮食及药物均可引起小儿大便发红或发黑而误认为便血;而有些以腹胀或腹膜炎为首发症状,血便未从肛门排出的下消化道出血的病例,易被漏诊或误诊;另
Lower gastrointestinal bleeding refers to the small intestine and colorectal bleeding following the Treitz ligament with the jejunum. Pediatric lower gastrointestinal bleeding the most common symptoms of hematochezia, due to children’s intestinal tract too fast, so diet and drugs can cause redness or blackness in children stool mistaken for hematochezia; and some bloody or peritonitis as the first symptom, bloody stool Not discharged from the anus of lower gastrointestinal bleeding cases, easily missed or misdiagnosed; the other