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xiao jing mai ni xing chuan ci cai xue fa
Author(s): 
Pages: 7150-7150
Year: Issue:  29
Journal: Chinese Journal of Misdiagnosis

Keyword:  血样采集/方法人类;
Abstract:  常规静脉采血,进针的方向与采血方向一致,在静脉官腔较大的情况下,去血针的刺入对血流影响不明显.如果穿刺的是小静脉,血流就会被取血穿刺针阻滞,针头部位就没有血流或血流不畅,不容易取血.逆行穿刺,也就是针头指向远心端,针头迎着血流穿刺,针体阻止血液回流,恰好使针头部位充盈,更有利于取血.笔者对100多例血管不好的患者采用此方法,效果满意.现将操作方法介绍如下:
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