Methods 64 cases of typical angina pectoris and 44 cases of atypical angina pectoris were selected to receive tread mill test and vector cardiogram.
方法典型心绞痛64例，不典型心绞痛44例进行平板试验及心向量检查。
The 156 patients with CHD or suspicious CHD and 113 normal control persons were examined by vector cardiogram, treadmill exercise testing and electrocardiogram.
对156例诊断为冠心病或疑似冠心病患者和113例正常对照进行普通心电、运动心电和心电向量检查。
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