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阵发性心房颤动与P波离散度的关系 被引量:3

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摘要 目的 :探讨阵发性心房颤动 (房颤 )与P波离散度 (Pdisp)、P波最大时限 (Pmax)的关系。方法 :应用 12导联体表心电图测定 70例阵发性房颤患者和 6 0例年龄匹配的无房性心律失常者的Pmax和Pmax与最小P波时限(Pmin)之差 (即Pdisp)。结果 :阵发性房颤组的Pmax为 ( 12 3.9± 16 .6 )ms ,Pdisp为 ( 4 8.4± 14 .8)ms ;而对照组Pmax为( 110 .0± 13.9)ms ,Pdisp为 ( 2 7.7± 9.1)ms ,两者相比均P <0 .0 0 1。以Pdisp≥ 40ms为标准 ,预报房颤的敏感性80 0 % ,特异性 85 0 % ,准确性 82 3% ;以Pmax≥ 12 0ms为标准 ,预报房颤的敏感性 72 9% ,特异性 80 0 % ,准确性76 2 % ;而以Pdisp≥ 40ms和Pmax≥ 12 0ms联合作为标准 ,预报房颤的敏感性 70 0 % ,特异性 90 0 % ,准确性79 2 %。结论 :Pdisp和Pmax可作为预报阵发性房颤的新的心电图指标。
作者 王迤凡
出处 《实用医学杂志》 CAS 2002年第3期249-250,共2页 The Journal of Practical Medicine
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