维生素B12是一种水溶性维生素,可以维持神经细胞和红细胞的活力,同时也是合成DNA必须的成分。肉类、贝类、蛋类和乳制品中富含这种维生素。虽然,维生素B12缺乏症是很少见的,但是,老人、素食者和那些无法正常吸收B12的人,可能需要注射B12。注射B12的方法很简单,阅读本文了解具体的方法。
步骤
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1
用抗菌皂彻底洗手。
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2
戴上橡胶手套。
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3
确定注射位置。
- 维生素B12需要注射到肌肉里。像上臂、大腿或臀部这样的大肌肉群,是常见的注射位置。
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4
用酒精擦拭注射的位置。
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5
去掉保护帽针。
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6
用拇指和中指握住注射器。
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7
用食指顶住柱塞。这样可以让你更好地控制注射器。
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8
捏起注射位置的皮肤。
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9
以45度角注射。
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10
松开捏住的皮肤。
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11
推动注射器,注入B12。注射的时候不要着急,以免产生不适。
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12
全注射完后,拔下注射器。
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13
用干净的面球按压止血,然后用绷带固定。
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14
将注射器丢到装锐器盒中。
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15
将其余的扔到密闭塑料容器中。
小提示
- 向医生咨询最合适的注射剂量。
- 不要重复利用针头。
- 指定的B12注射器都会附带合适的剂量和针头。
你需要准备
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指定的B12注射器和针头
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橡胶手套
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酒精棉
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棉球
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绷带
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密闭塑料容器