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心电图二级梯双倍运动试验,是目前诊断冠心病的重要依据之一,但其敏感性和特异性不够高,假阴性和假阳性分别高达12～49%和18～39%。Behars等曾报道心得安试验对鉴别冠心病的心电图改变有一定的帮助。心得安可通过抑制β受体,使植物神经系统恢复平衡,从而纠正由交感神经功能亢进所引起的心电图改变。国内有些地区在冠心病普查中,发现心电图二级梯双倍运动试验的阳性率在女性较高,且多见于30～40岁年龄组,其中不少病例伴有神经官能症。提
ECG double ladder double exercise test is the diagnosis of coronary heart disease is one of the important basis, but its sensitivity and specificity are not high enough, false negative and false positive as high as 12 to 49% and 18 to 39%. Behars et al have reported that propranolol may be helpful in identifying changes in ECG of coronary heart disease. Ankapo regulates ECG changes caused by sympathetic hyperactivity by restoring beta receptors and restoring autonomic nervous system balance. In some areas of China in the coronary heart disease census, we found that the positive rate of double-treadmill exercise test of electrocardiogram in women is higher, and more common in the 30 to 40 age group, many of them with neurosis. mention