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【单选题】
患者女,25岁。患风湿性心瓣膜病,不明原因持续发热1月余,体温波动在37.5~38.5°C之间,应用多种抗生素治疗无效,今晨以“感染性心内膜炎”收住入院。 现遵医嘱行血培养检查。抽取血培养标本时间的选择,正确的是A.
第1日间隔1h采血，共3次，体温升高时采血
B.
第1日间隔1h采血，共3次，不需体温升高时采血
C.
第1日间隔1h采血，共3次，寒战升高时采血
D.
停用抗生素2～7天后采血，无需在体温升高时采血
E.
入院6小时内采血，间隔1小时，共3次，体温升高时采血
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