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当前学科：临床执业助理医师
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患儿，4岁。夏季出现发热8小时，伴惊厥，意识障碍。为协助诊断，首先应进行的辅助检查是（）
A
脑电图
B
血常规及血细菌培养
C
尿常规
D
粪便常规及培养
E
脑脊液检查
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