Objective: Discusses the secondary quantity treadmill exercise test to inspect to the coronary heart disease early time diagnosis value.
目的：探讨次极量平板运动试验检查对冠心病早期诊断的价值。
The study included 23 patients (mean age 59 years) with NYHA class II or III CHF secondary to ischemic heart disease (ejection fraction 37%).
这项研究纳入23例(平均年龄59岁)缺血性心脏病(射血分数37%)并发慢性心力衰竭nyha心功能分级II级或II I级的病人。
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