服钾试验是一种常用的心电图药物试验,该试验引起心律失常罕见,现将我们近期遇到的一例报告如下。患者女性,63岁,入院诊断为可疑冠心病。体检无异常,电解质、肾功能及其它实验室检查均属正常。因平静心电图ST—T异常而作服钾试验。试验前心电图(图一)示窦性心律(70次/分),心前导联ST段下移伴T波低平,无 Potassium test is a common electrocardiogram drug test, the trial of arrhythmia caused by rare, now we encounter a recent report is as follows. Female patient, age 63, admitted to hospital for suspected coronary heart disease. No abnormal physical examination, electrolyte, renal function and other laboratory tests are normal. Due to the calm electrocardiogram ST-T anomaly and serving potassium test. ECG before the test (Figure 1) showed sinus rhythm (70 beats / min), ST segment anterior descending accompanied by T wave low flat, no