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近年来，不少学者从事冠心病的UCG研究并取得较大进展。UCG检查在评价心功能方面的应用范围正在扩大。已从平静状态下接受检查扩展到广泛开展负荷超声心动图。我们应用彩色多普勒超声心动图测定正常人和冠心病患者静息状态和运动后左室功能变化，以了解正常人和冠心病患者运动?
In recent years, many scholars engaged in coronary heart disease UCG research and made great progress. The application of UCG in assessing cardiac function is expanding. Has undergone an extended examination of echocardiography from a state of calm under extended acceptance. We use color Doppler echocardiography in patients with normal and coronary heart disease resting and left ventricular function after exercise to understand the movement of patients with normal and coronary heart disease?