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例1,男,足月顺产,60天。因腹泻半月,突发呕吐、尖叫,连续抽搐4～5次入院。纯母乳喂养,无外伤史。家族中无出血性疾病史。体检:T36.5℃,体重4.8kg,发育、营养中等,神志不清,脸色苍白,前囱饱满约2.5×2.5cm,双侧瞳孔等大、直径3mm口腔上腭可见4～5个出血点。颈部有抵抗,心肺腹(一)。四肢肌张力增高,膝反射亢进。臀部注射部位可见出血不止。实验室检查:Hb60g/L,RBC2.82×10~(12)/L, BPC100×10~9/L,WBC13.2×10~9/L,N54％,L44％。凝血时间延长,凝血酶原时间延长。脑脊液呈淡红色,RBC20×10~6/L,潘迪氏(+)。入
Example 1, male, full-term, 60 days. Due to diarrhea half a month, sudden vomiting, screaming, continuous convulsions 4 to 5 times admitted. Pure breastfeeding, no history of trauma. No history of hemorrhagic disease in the family. Physical examination: T36.5 ℃, weight 4.8kg, development, moderate nutrition, confusion, pale, front chin full about 2.5 × 2.5cm, bilateral pupils and other large, 3mm diameter oral palate can be seen 4 to 5 bleeding points . Neck resistance, cardiopulmonary abdomen (a). Limb muscle tension increased knee hyperactivity. Hip injection site visible bleeding more than. Laboratory tests: Hb60g / L, RBC2.82 × 10-12 / L, BPC100 × 10-9 / L, WBC13.2 × 10-9 / L, N54%, L44%. Clotting time, prolonged prothrombin time. Cerebrospinal fluid was light red, RBC20 × 10 ~ 6 / L, Pandit’s (+). Into