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目的:探讨心电图ST-T段动态改变和持续性改变对诊断冠心病的价值。方法:将我院冠心病80例,根据复查心电图有无ST-T段动态改变分为ST-T段非动态改变组(Ⅰ组)和ST-T段动态改变组(Ⅱ组)各40例,比较两组冠状动脉造影和心电图活动平板运动试验结果。结果:Ⅰ组冠状动脉造影发现狭窄6例,其中活动平板运动试验阳性5例;Ⅱ组冠状动脉造影阳性39例,其中活动平板运动试验阳性36例。结论:心电图ST-T段非动态改变不能作为冠状动脉供血不足的特异性诊断,而ST-T段动态改变对冠心病的诊断具有重要意义。
Objective: To investigate the value of ST-T segment dynamic changes and persistent changes in the diagnosis of coronary heart disease. Methods: 80 cases of coronary heart disease in our hospital were divided into ST-T non-dynamic group (group Ⅰ) and ST-T group (group Ⅱ) The coronary angiography and electrocardiogram treadmill exercise test results were compared between the two groups. Results: In group Ⅰ, 6 cases of stenosis were found in coronary angiography, of which 5 cases were positive in treadmill exercise test and 39 cases were positive in coronary artery angiography in group Ⅱ, and 36 cases were positive in treadmill exercise test. Conclusion: The non-dynamic ECG changes can not be used as a specific diagnosis of coronary insufficiency. The dynamic changes of ST-T segment are of great significance in the diagnosis of coronary heart disease.