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用自行设计的踏车多指标心血管功能评价系统(E系统),对正常人,冠心病患者、心肌梗塞患者三组进行踏车运动前后Q—Tc变化及运动前后心血管功能评定。对静息时或运动后Q—Tc延长诊断冠心病价值及运动前后心血管功能变化规律的敏感性、特殊性分别进行对照和探讨。
The treadmill exercise multi-index cardiovascular function evaluation system (E-system) designed by ourselves was used to evaluate the changes of Q-Tc and the cardiovascular function before and after treadmill exercise in three groups of normal people, patients with coronary heart disease and myocardial infarction. The sensitivity and specificity of the Q-Tc extended diagnostic value of coronary heart disease at rest or after exercise and the changes of cardiovascular function before and after exercise were compared and discussed respectively.