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冠心病（ＣＡＤ）患者的ＱＴ离散度（ＱＴｄ）多明显增大，运动试验后进一步增加。我们对４１例ＣＡＤ患者于静脉注射美托洛尔后行运动试验，并观察了用药后ＱＴｄ的变化，旨在探讨β－受体阻滞剂对冠心病心绞痛患者运动状态下ＱＴｄ的影响及意义。１资料与方法本组８１例...
Patients with coronary heart disease (CAD) QTd significantly increased more, after the exercise test to further increase. In our study, 41 patients with CAD underwent intravenous metoprolol exercise test and observed QTd changes after treatment to explore the effect and significance of β-blocker on QTd in patients with coronary heart disease. 1 Materials and Methods The group of 81 cases ...