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目的:探讨心电图T波峰末间期(Tp-e)比QT间期(Tp-e/QT)预测心源性猝死及恶性心律失常的意义。方法:收集我院2004年3月-2009年3月发生心源性猝死及恶性心律失常28例患者的完整资料,对其发生心源性猝死前同步12导联心电图Tp-e间期、QT间期及Tp-e/QT比值进行测量并统计分析。结果:猝死前60.71%患者心电图Tp-e/QT>0.22,21.42%患者比值<0.15,分布有一定规律性。结论:心电图Tp-e/QT对预测心源性猝死有一定价值。
Objective: To investigate the significance of Tp-e and Tp-e / QT in predicting sudden cardiac death and malignant arrhythmia. Methods: The complete data of 28 patients with sudden cardiac death and malignant arrhythmia in our hospital from March 2004 to March 2009 were collected. Their Tp-e interval, QT Interval and Tp-e / QT ratio were measured and statistical analysis. Results: Before the sudden death, the Tp-e / QT> 0.22 of electrocardiogram in 60.71% patients and the ratio of patients in the place of <0.14% were less than 0.15, the distribution had certain regularity. Conclusion: ECG Tp-e / QT has certain value in predicting sudden cardiac death.