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37例心肌梗塞后患者,其心电图于急性期15例有ST对应性改变,22例则无。应用踏车运动试验观察原有ST对应性改变患者的临床意义。结果表明原有ST对应性改变组,运动时诱发心绞痛、梗塞对应部位ST段下移和运动试验阳性率均显著高于无对应性改变组。无对应性改变组的运动耐量显著高于有对应性改变组。随访期间,原有ST对应性改变组的心绞痛发生率显著高于无对应性改变组,并有1例发生再梗塞。
After the 37 patients with myocardial infarction, ECG changes in the acute stage of ST-responsive changes in 15 cases, 22 cases without. The treadmill exercise test was used to observe the clinical significance of the original ST-response changes. The results show that the original ST correspondence change group, exercise-induced angina pectoris, infarction corresponding parts of the ST-segment down and the positive rate of exercise test were significantly higher than the no-change group. No change in responsiveness group was significantly higher than the corresponding group of exercise tolerance. During the follow-up period, the incidence of angina pectoris in the original ST-responsive group was significantly higher than that in the non-responder group, and one case had recanalization.