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脊椎麻醉也就是椎管内麻醉，包括硬膜外麻醉和腰麻，由于作用部位不同，用药的种类和剂量有很大区别。硬膜外麻醉的药物注射到硬膜外腔，由于这里的脊髓有一层膜包裹着，所以药物剂量和浓度都较大，主要的药物有利多卡因、罗哌卡因、丁卡因、布比卡因等局部麻

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脊椎麻醉药对人体的伤害

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脊椎麻醉药对人体的伤害、

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