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测定３６例心肌炎患儿心室晚电位，结果轻中型心肌炎晚电位无一例阳性，而重型心肌炎阳性率高达７５％，且预后凶险。表明监测心肌炎患儿心室晚电位对病情分析及预后有重要意义。ｐ＜０．０５与重型组比较，△△Ｐ＜０．０１３讨论ＶＬＰ是经体表描记的心室小块心肌除极产生的高频、低幅碎裂电活动，与某些恶性心律失常有密切关系。应用这种检查手段，从而开阔了对小儿心肌炎临床观察的视野。本文观察的结果表明，小儿心肌炎ＶＬＰ的出现与病情密切相关，轻、中型心肌炎患儿中无１例ＶＬＰ阳性者，而重型心肌炎患儿ＶＬＰ阳性率高达７５％（３／４），且半数死亡。本文观察的结果还表明，小儿心肌炎的ＶＬＰ有以下特点：①与成人一样，ＶＬＰ阳性时多提示病情凶险，预后不佳，但发生室速与室颤较成人少见。②作者单位：
Determination of ventricular late potential in 36 cases of children with myocarditis, the results of late potentials of mild to moderate myocarditis were no positive cases, while the positive rate of severe myocarditis as high as 75%, and the prognosis was dangerous. That monitoring of myocardium in children with ventricular late potential of the disease analysis and prognosis of great significance. p <0.05 Compared with the severe group, △△ P <0.013 Discussion VLP is a high-frequency, low amplitude fragmentation electrical activity of the small ventricular cardiomyocyte depolarization by the body surface, with some malignant arrhythmia close relationship. Application of this inspection means, which opened up the clinical observation of children with myocarditis field of vision. The results of this study showed that the occurrence of VLP in children with myocarditis is closely related to the disease, with no VLP positive in children with mild or moderate myocarditis, whereas the VLP positive rate in children with severe myocarditis is as high as 75% (3/4) and half of them died . The results of this study also showed that the VLP in children with myocarditis has the following characteristics: ① as with adults, VLP positive prompted more dangerous condition, the prognosis is poor, but the occurrence of ventricular fibrillation and ventricular fibrillation rare than adults. ② Author unit: