Methods: 1. According to the changes of ST segment in ECG and coronary angiography, 87 cases were divided into three groups: coronary heart disease(C) group and hypertension (H) group.
方法：1、选择87例因体表心电图ST段异常改变的住院患者，经冠状动脉造影后分为单纯冠心病组及高血压组。
Zhang Ge: won the 5th of Enfant Group, from Peace District Nanjing St. No. 1 Grade School in Shenyang.
张戈：儿童组第五名，来自沈阳和平区南京街第一小学。
Zhang Ge: won the 5th of Enfant Group, from Peace District Nanjing St. No. 1 Grade School in Shenyang.
张戈：儿童组第五名，来自沈阳和平区南京街第一小学。
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