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1临床资料患儿男,5个月。发热5d,臀部皮肤瘀斑3d。5d前出现发热,热峰39℃,无明显咳嗽、呕吐、抽搐等,在诊所治疗(具体不详),仍反复发热,3d前臀部皮肤出现瘀斑,当地医院予抗感染、补液、纠正电解质等对症支持治疗,发热未明显改善,并出现气促,瘀斑扩大,且出现黑痂。患儿既往无特殊病史,无手术及外伤史,家族中无遗传病病史。入院查体:T39.8℃,精神萎靡,反应差,意识模糊,轻度脱水貌,对光
1 clinical data in children male, 5 months. Fever 5d, buttocks skin ecchymosis 3d. 5d before the onset of fever, hot peak 39 ℃, no obvious cough, vomiting, convulsions, etc., treatment in the clinic (specifically unknown), still repeated fever, ecchymoses appear on the buttocks skin 3d, local hospitals to fight infection, rehydration, correct electrolyte Symptomatic supportive treatment, fever did not significantly improve, and there was shortness of breath, ecchymosis, and the emergence of black scab. Children with no previous history of special medical history and no history of surgery and trauma, family history of no genetic disease. Admission examination: T39.8 ℃, apathetic, poor response, confusion, mild dehydration, light