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一、诊断 (一)症状发热伴有中枢神经系机能改变:惊厥、倦怠、嗜眠应想到化脓性脑膜炎,各作者报告的症状总结如下表: 腰穿一般是好处多害处较少,有的并发症与用无针心穿刺针有关,故如有可疑,应作腰穿,不要漏诊。 (二)脑脊液检查 1.细菌检查每毫升脑脊液含10万个细菌时,如直接涂片固紫染色,则平均每油镜视野有1个细菌,但细菌不到此浓度即已发病。增加细菌浓度可提高阳性率,用离心沉淀取沉渣涂片,流感杆菌需10,000×g离心沉淀10分钟。因此,如用1,000×g离心则需60分钟。
First, the diagnosis (a) symptoms of fever with central nervous system dysfunction: convulsions, fatigue, sleepiness should think of purulent meningitis, the authors report the symptoms are summarized in the table below: Lumbar wear is generally less harmful and some concurrent Symptoms and needles without needle puncture related, so if suspicious, should be worn for the waist, do not miss diagnosis. (B) of cerebrospinal fluid examination 1. Bacterial examination of cerebrospinal fluid per ml of bacteria containing 100,000, such as direct smear solid purple staining, the average field of view each oil mirror has 1 bacteria, but the bacteria less than this concentration that has been the disease. Increase the bacterial concentration can increase the positive rate, sediment smear taken by centrifugation, influenza bacillus 10,000 × g to be centrifuged for 10 minutes. Therefore, it takes 60 minutes to centrifuge at 1,000 × g.