笔者曾参加某县基层医院由于使用氯化钾不当致2例患者死亡的事故讨论会。为总结经验吸取教训,故对如何正确合理地使用氯化钾作简要复习。对缺钾的诊断应包括缺钾程度的基本估计,应注意缺钾原因的分析。关于补钾的指征,要结合病史、临床表现、心电图检查、血清钾浓度等综合全面考虑。临床缺钾一般有三种情况:①缺钾伴血清 I had participated in a county grass-roots hospital due to inappropriate use of potassium chloride caused the death of two patients accident seminar. Lessons learned for the sake of summing up experience, so a brief review of how to use potassium chloride correctly and reasonably. The diagnosis of potassium deficiency should include a basic estimate of potassium deficiency, potassium deficiency should pay attention to the analysis. Indications for potassium, combined with history, clinical manifestations, ECG, serum potassium concentration comprehensive consideration. Clinical potassium deficiency generally have three cases: ① lack of potassium with serum