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心力衰竭患者心电图不同QRS波时限的振幅特征分析

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摘要 目的分析心力衰竭患者心电图检测的不同QRS波时限的振幅特点。方法收集2020年9月至2022年9月茶陵县中医医院收治的80例诊断为心力衰竭的患者作为观察组,同期选取80例健康体检志愿者纳入对照组。所有研究对象均接受心电图和心脏超声检查。分析不同时限QRS波群的振幅特点,及美国纽约心脏病学会(NYHA)分级和心功能指标。结果观察组∑QRS振幅、RI+SⅢ振幅、RV1+SV5振幅低于对照组,肢体导联低电压发生率高于对照组(P<0.05)。观察组中QRS波时限<120 ms者共57例,QRS≥120 ms者共23例,经比较QRS<120 ms组12∑QRS振幅高出QRS≥120 ms组(P<0.05)。QRS<120 ms组NYHA心功能Ⅱ级占比明显高于QRS≥120ms组,Ⅳ级占比明显低于QRS≥120ms组,左室射血分数高于QRS≥120ms组,左室舒张末期内径低于QRS≥120 ms组(P均<0.05)。结论心力衰竭患者的心电图QRS波群易发生肢体导联低电压,且QRS波群振幅低,其QRS波群时限与QRS波群振幅及患者心功能情况存在一定关系。
作者 王玲艳 贾云
出处 《现代电生理学杂志》 2024年第2期106-108,共3页 Journal of Modern Electrophysiology
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