患儿，男，1岁，因腹泻伴重度脱水入院。经补液治疗现已排尿，需静脉补钾，输液瓶内剩余液体有200ml，给10%氯化钾溶液最大剂量为A. 3ml B. 6...

作者: tihaiku 人气: - 评论: 0

问题患儿，男，1岁，因腹泻伴重度脱水入院。经补液治疗现已排尿，需静脉补钾，输液瓶内剩余液体有200ml，给10%氯化钾溶液最大剂量为

选项 A. 3ml B. 6 ml C. 9ml D. 12ml E. 15ml

答案 B

解析补钾时以口服补钾为首选，如需静脉补钾，浓度不宜超过0. 3%，浓度过高对静脉刺激大，引起疼痛，还可抑制心肌，导致心搏骤停。

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