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急性心肌梗死患者梗死前ST段改变分析 被引量:1

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摘要 目的为进一步探讨急性心肌梗死(AM I)患者在梗死前ST段水平延长≥0.12 s的心电图特征及对临床预后的影响。方法选自2000年1月至2001年12月收治AM I在梗死前ST段水乎延长≥0.12 s者35例。按ST段延长和压低无变化分为ABC三组,观察心电图指标及临床特征。结果A组14例梗死前ST段水平延长出现率为40%;B组18例梗死前出现率51.4%;C组3例梗死前出现率为8.6%。经卡方检验,A组与B组出现率无显著差异(P>0.05),A组和B组与C组对比,有显著性差异(P<0.025)。结论既往心肌缺血标准为ST段水平或下垂型压低≥0.1 mv,如按此标准本次分析35例,AM I患者梗死前不能明确诊断者可达34.3%,故对该类患者心电图诊断,如附加ST段水平延长≥0.12 s,可使确诊率明显提高。
作者 易宪峰
出处 《临床和实验医学杂志》 2007年第1期69-69,共1页 Journal of Clinical and Experimental Medicine
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