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心率减速力对急性心肌梗死的预警观察 被引量:1

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摘要 探讨心率减速力对急性心肌梗死的预警作用.选取收治的急性心肌梗死患者80例,纳入心肌梗死组,选取同期体检者50例作为对照组,两组均记录动态心电图,获取心率减速力值,并进行预警分析.心肌梗死组死亡率:DC值〉4.5ms时为0%,DC值为2.6~4.5ms时为3.3%,DC值〈2.5ms时为13.3%,差异均有统计学意义(P〈0.01).对照组心率减速力各值中均无死亡病例.心肌梗死组中DC值低危35例,中危30例,高危15例,对照组DC值低危45例,中危5例,高危0例,差异有统计学意义(P〈0.01);心肌梗死组发生不良心血管事件15例,其中不良事件发生率在DC值低危组为5.7%,中危组为13.3%,高危组为60.0%.通过测定DC值,能定量分析和评估迷走神经作用的强度,对筛选与预警急性心肌梗死猝死高危人群有较高的实用价值.
出处 《现代诊断与治疗》 CAS 2015年第23期5468-5469,共2页 Modern Diagnosis and Treatment
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