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目的 比较心力衰竭患者心电图QRS波不同时限及振幅时心功能的情况。方法 选择我院2018年4月至2021年4月住院治疗的心力衰竭患者97例作为观察组(A组),另选择同期48例健康体检者作为对照组(B组),收集并整理其完整心电图及临床资料。分析心衰不同QRS波振幅特点,对比两组∑QRS振幅、R
Ⅰ
+S
Ⅲ
振幅、R
V1
+S
V5
振幅;比较QRS
<
120ms、QRS≥120ms患者的∑QRS振幅、射血分数(LVEF)、左房内径(LAD)、左室舒张末期内径(LVEDd)指标。结果 观察组∑QRS振幅、R
Ⅰ
+S
Ⅲ
振幅、R
V1
+S
V5
振幅低于对照组(P
<
0.05)。QRS
<
120ms组的∑QRS振幅高出QRS≥120ms组(P
<
0.05)。两组LAD比较无差异(P>0.05),但QRS
<
120ms组LVEF高出QRS≥120ms组,LVEDd低于QRS≥120ms组(P
<
0.05)。结论 心力衰竭患者QRS波振幅较低,QRS波时限≥120m患者的心功能较差,QRS波振幅和时限对于评估患者的心功能有一定的作用。
李冰,孙涛.冠心病患者心电图QRS波时限和血清sST2水平与预后的关系及碎裂QRS波群形成的logistics分析[J].临床与病理杂志,2021(08).
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