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目的：探讨急性心肌梗塞（AMI）患者早期血钾含量与室性心律失常和梗塞部位的关系．方法：测定60例AMI发病6h内的血钾含量、室性心律失常发生率及梗塞部位，并分析其相关性．结果：不同梗塞部位组间血钾含量，经统计学处理有显著差异（P＜0．05），血钾低于3．5mmol／L的以右室、前壁梗塞为主，低血钾组室性心律失常的发生率为92．11％．结论：右室、前壁易发生低钾血症，低血钾症易发生心律失常，故AMI早期应及时补钾，提高AMI抢救成功率．
Objective: To investigate the relationship between early potassium levels and ventricular arrhythmias and infarction in patients with acute myocardial infarction (AMI). Methods: The serum levels of potassium, the incidence of ventricular arrhythmias and the infarction sites in 60 patients with AMI were measured and their correlations were analyzed. Results: There was a significant difference (P <0.05) between the levels of potassium in different infarction groups, and the right ventricular and anterior infarction with serum potassium lower than 3.5mmol / L, and hypokalemia The incidence of ventricular arrhythmia was 92.11%. Conclusion: Hypokalemia is easy to occur in the right ventricle and the anterior wall. Arrhythmia is easy to occur in hypokalemia. Therefore, potassium should be used in early AMI to improve the success rate of AMI rescue.