| 急性心肌缺血时高频心电图时域频域分析的实验研究 |
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| 引用本文： | 刘恒亮,阎文泰,魏太星,杨国杰,张彦红.急性心肌缺血时高频心电图时域频域分析的实验研究[J].心脏杂志,1997,0(2). |
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| 作者姓名： | 刘恒亮 阎文泰 魏太星 杨国杰 张彦红 |
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| 作者单位： | 河南省郑州市第五人民医院内一科 |
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| 摘 要： | 结扎家兔冠状动脉左室支的不同部位，用高频心电图时域频域法观察中高频成分、甚高频成分的变化。结果表明:缺血面积小于３５％时，中高频成分、甚高频成分随缺血范围的增大而增加；若缺血面积大于３５％时，中高频成分、甚高频成分减少。
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| 关 键 词： | 心肌缺血 高频心电描记术 时域分析.心电信号 频域分析.心电信号 兔 |
Experimental study of time frequency analysis of high frequency electrocardiogram in acute myocardial ischemia |
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| Liu Hengliang ,Yan Wentai ,Wei Taixing ,Yang Guojie ,Zhang Yanhong Zhengzhou Fifth Hospital, First Affiliated Hospital of Henan Medical University.Experimental study of time frequency analysis of high frequency electrocardiogram in acute myocardial ischemia[J].Chinese Heart Journal,1997,0(2). |
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| Authors: | Liu Hengliang Yan Wentai Wei Taixing Yang Guojie Zhang Yanhong Zhengzhou Fifth Hospital First Affiliated Hospital of Henan Medical University |
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| Affiliation: | Liu Hengliang 1,Yan Wentai 2,Wei Taixing 2,Yang Guojie 2,Zhang Yanhong 2 1 Zhengzhou Fifth Hospital,450003 2 First Affiliated Hospital of Henan Medical University |
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| Abstract: | After ligation of different parts of the left ventricular branches of rabbit coronary artery, the changes of middle high frequency components and very high frequency components were observed with the method of time frequency mapping of high frequency electrocardiogram. The results demonstrated that when the ischemic area was less than 35%, the middle high frequency components and very high frequency components were increased with the enlargement of the ischemic area, but the components were decreased when the ischemic area was larger than 35%. |
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| Keywords: | myocardial ischemia high frequency electrocardiography time domain analysis electrocardiosignal frequency domain analysis electrocardiosignal rabbits |
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