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检测68例选择性冠状动脉造影病人高频心电图,研究高频切迹与冠状动脉病变严重度之间的关系。结果显示:冠状动脉狭窄组高频切迹数显著多于无狭窄组(P<0.01);狭窄组各组间比较,高频切迹数重度狭窄组>中度狭窄组>轻度狭窄组(P<0.01或0.05);高频切迹数与冠状动脉病变严重度显著正相关(P<0.01),提示:高频心电图能反映冠状动脉病变严重度。
68 cases of selective coronary angiography in patients with high-frequency electrocardiogram to study the relationship between high-frequency notch and the severity of coronary artery disease. The results showed that the number of high-frequency notch in coronary artery stenosis group was significantly more than that in non-stenosis group (P <0.01). The number of severe stenosis group> moderate stenosis group> mild stenosis group P <0.01 or 0.05). There was a significant positive correlation between the number of high-frequency notch and the severity of coronary artery disease (P <0.01), suggesting that high-frequency electrocardiogram can reflect the severity of coronary artery disease.