中国现代医学杂志2003，Vol.13Issue(21)：30-31,47,3.
扩张型心肌病和缺血性心肌病的区域性QT间期差比较及临床意义探讨
Comparison of regional QTrd between dilated cardiomyopathyand ischemic cardiomyopathy and its clinical siginificance
张国刚 1张赛丹1
作者信息
- 1. 中南大学湘雅医院心内科,长沙,410008
- 折叠
摘要
Abstract
Objective:To analyze whether regional QTrd could be an index to identify ST segment changes caused by dilated cardiomyopathy or ischemic cardiomyopathy. Methods:According to the changes of ST segement in ECG and coronary arteriography, 64 cases were divided into two groups: ischemic group (IM) and dilated cardiomyopathy group. QTrd was measured and compared in four regions (leadⅠand AVL, lead Ⅱ、Ⅲand AVF, Lead V2～4 and V5～6) in ECG of each group.Results:QTrd≥40 ms was seen in both groups in the regions of lead Ⅰ and AVL. The rate of QTrd≥40 ms in one of the other three regions was 81% and 0% in group DM and IM, respectively.Conclusions:In dilated cardiomyopathy,ischemia from myocardial dilation was highly possible if there was QTrd≥40 ms in any of the three regions (ⅡⅢ and AVF, V2～4 and V5～6); if the QTrd≤40 ms in all the three regions,myocardial ischemia may be caused by coronary diseases.关键词
心电描记术/QT间期/QT离散度Key words
Electrocardiogram(ECG)/QT interval/QT dispersion(QTd)分类
医药卫生引用本文复制引用
张国刚,张赛丹..扩张型心肌病和缺血性心肌病的区域性QT间期差比较及临床意义探讨[J].中国现代医学杂志,2003,13(21):30-31,47,3.
