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为了判明极量运动试验在冠状动脉疾病的诊断及严重程度估计中是否比二级阶梯试验更为正确,作者进行了下列研究。方法及结果:101名有胸痛的患者,在一次住院中分别作了二级阶梯试验、极量运动试验及冠状动脉造影(三项检查通常在2天内完成),极量运动试验用踏车功率计进行。二级阶梯试验的阳性标准
To determine whether maximal exercise testing is more accurate than second-level ladder testing in the diagnosis and severity of coronary artery disease, the authors conducted the following studies. Methods and Results: A total of 101 patients with chest pain underwent two ladder tests, one maximal exercise test and coronary angiography (three tests were usually completed within two days) in one hospitalization. The maximum treadmill exercise power Count. The positive standard for the two-step test