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运动试验是诊断冠心病的一种重要手段,多年来国内普追采用的是双倍二级梯运动试验。该试验虽设备简陋,使用方便,但它是一种单级的亚极量运动试验,对心脏负荷是以体重来校正,忽视了人们对运动的适应能力和心脏工作效率的差异,对某些隐性冠心病患者,特别是对从事重体力劳动者,其运动量显然不足。故双倍二级梯运动试验揭示心肌缺血的敏感性比其他的亚极量和极量运动试验为低.近十余年来国外已采用极量运动试验,逐级增高运动负荷,使运动时心率达到该年龄组最大预计数的85～100%,以提高冠心病的检出率。平板和踏车运动试验为常用的大运动量的运动试验。
Exercise test is an important means of diagnosis of coronary heart disease. For many years, Puquan has doubled the level two ladder exercise test. Although the test is simple and easy to use, it is a single-stage sub-maximal exercise test, which is based on the weight of the heart to correct the load, ignoring the people’s adaptability to exercise and heart work efficiency differences for some Patients with recessive coronary heart disease, especially those engaged in heavy manual work, the amount of exercise is clearly insufficient. Therefore, double the second-level ladder exercise test revealed that the sensitivity of myocardial ischemia than other sub-maximal and maximal exercise test is low over the past decade or so have used extreme exercise test, gradually increase the exercise load, so exercise When the heart rate reached the maximum expected 85 to 100% of the age group, in order to improve the detection rate of coronary heart disease. Plate and treadmill exercise tests are commonly used exercise tests with large amounts of exercise.