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目的探讨心电图在高血钾诊断中的临床价值。方法对49例高血钾患者进行常规心电图描记和血清钾离子浓度测定,比较心电图改变与血清钾浓度的关系。结果心电图在诊断高血钾与血清钾测定符合率为65.3%。血清钾浓度在5.5～7.0mmol/L的37例中,心电图有高血钾改变的25例,符合率67.6%;血清钾浓度在7.0～8.0mmol/L的10例中,心电图有高血钾改变的6例,符合率60.0%。结论随着血清钾浓度的增高,心电图的异常发生率递增,心电图检查在高血钾的诊断中有重要临床价值。
Objective To investigate the clinical value of electrocardiogram in the diagnosis of hyperkalemia. Methods 49 cases of hyperkalemia in patients with conventional electrocardiogram and serum potassium concentration determination, ECG changes compared with serum potassium concentration. Results The coincidence rate of electrocardiogram in diagnosing hyperkalemia and serum potassium was 65.3%. Serum potassium concentration in 5.5 ~ 7.0mmol / L of 37 cases, the electrocardiogram hyperkalemia in 25 cases, with a coincidence rate of 67.6%; serum potassium concentration of 7.0 ~ 8.0mmol / L in 10 cases, the electrocardiogram with hyperkalemia Change in 6 cases, with a rate of 60.0%. Conclusion With the increase of serum potassium concentration, the abnormal incidence of electrocardiogram increases. Electrocardiogram has important clinical value in the diagnosis of hyperkalemia.