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目的探讨急性心肌梗死(AMI)早期血清钾水平以及血清钾与心律失常的关系。方法选择确诊为AMI,发病在2~12h之内住院的患者106例,观测发病72h内血清钾,同时对所有患者进行心电监护,监测血压、心率、心律等,并对以上情况进行对比分析。结果入院即测及72h内血清钾≤3.5mmol/L的患者20例,占19%,列为低血钾组;血清钾3.5~4.0mmol/L者71例、占67%,列为正常血钾低值组;血清钾≥4.0mmol/L(4.0~5.0mmol/L)者15例,占14%,列为正常血钾组。前两组心律失常发生率及恶性程度均明显高于正常血钾组。结论AMI早期,密切观测血清钾,并适当补钾,使血清钾维持在4.0~5.0mmo1/L,对提高AMI抢救成功有重要意义。
Objective To investigate the relationship between serum potassium levels and serum potassium and arrhythmia in early stage of acute myocardial infarction (AMI). Methods One hundred and sixty-six patients hospitalized with onset of AMI within 2 ~ 12h were enrolled in this study. Serum potassium levels were observed within 72 hours after onset of symptoms. All patients were monitored for ECG, blood pressure, heart rate and heart rate were monitored, and the above were compared . Results Twenty patients (19%) with serum potassium ≤3.5mmol / L within 72 hours after admission were classified as hypokalemia group, while 71 cases (67%) with serum potassium 3.5-4.0mmol / L were classified as normal blood Potassium low value group; serum potassium ≥ 4.0mmol / L (4.0 ~ 5.0mmol / L) in 15 cases, accounting for 14%, as normal potassium group. The first two groups of arrhythmia incidence and malignancy were significantly higher than the normal potassium group. Conclusion In the early stage of AMI, serum potassium is closely observed and potassium is properly added to keep the serum potassium at 4.0-5.0mmo1 / L, which is of great significance to improve the success of AMI.