自行车功量计(Bicycle Ergometer)是近年来国内外一种以心率为标准,用增大运动量的方法,使心率达到极限心率的80—85％来诊断冠心病的一种新型医疗设备。因运动负荷试验对隐性冠心的诊断仍然是目前普遍采用的方法之一,其中应用最广,积累经验最多的是双倍阶梯运动试验。但此法仍 Bicycle Ergometer is a new type of medical device that diagnoses coronary heart disease by using the method of increasing the amount of exercise and making the heart rate reach the limit of 80-85% of the heart rate in recent years. The diagnosis of implicit coronary heart due to exercise stress test is still one of the commonly used methods, of which the most widely used, the most accumulated experience is the double ladder exercise test. But this method is still