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运动和药物负荷试验心肌显像可提高诊断冠心病的准确性．方法：我们将运动试验、潘生丁试验及ＡＴＰ试验心肌显像从检出率、方法学、血液动力学变化和副作用等方面作了比较．结果：３种方法对冠心病的检出率无明显差异（Ｐ＞０．０５）．运动试验心肌显像质量好，是一种常用的基本方法，但由于明显增加心率及血压，致心肌耗氧量增加，有一定的危险性．并需特殊的设备．而药物试验方法简单、副作用少、安全，心率加快不如运动试验（Ｐ＜０．０１），血压轻度下降．结论：药物试验可代替运动试验．
Exercise and drug load test myocardial imaging can improve the accuracy of diagnosis of coronary heart disease. METHODS: We compared exercise test, dipyridamole test and ATP test myocardial imaging in terms of detection rate, methodology, hemodynamic changes and side effects. Results: There was no significant difference between the three methods in the detection rate of coronary heart disease (P> 0.05). Exercise test myocardial imaging is good, is a commonly used basic method, but significantly increased heart rate and blood pressure, resulting in increased myocardial oxygen consumption, there is a certain degree of risk. And need special equipment. The drug test method is simple, less side effects, safety, faster heart rate exercise test (P <0.01), blood pressure decreased slightly. Conclusion: The drug test can replace the exercise test.