逆向静脉穿刺在老年患者中的应用
Xinjiang Medical Journal(2009)
Abstract
<正>静脉输液一般情况下都是针头沿静脉从向心方向刺入,同时以针头处出现回血作为证明穿刺成功的标志。老年人的血管随着年龄的增长,解剖结构也在不断的变化,其特点是血管壁薄、管腔小、弹性差、易
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