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持续发热3～8天,诊断为上感,年龄为3～7岁的52例门诊病孩,于发热高峰及热退后两周内作EKG检查。两者对比结果发现R波电压在发热高峰时较热退时为低(R_Ⅱ及R_Ⅲ平均分别降低0.22mV及0.21mV),复极波T_Ⅲ较发热消退时降低并有T_Ⅲ倒置加深:发热消退后大部份倒置T_Ⅲ恢复正向或T_Ⅲ电压增高。只有1例发生频发早搏,诊断为心肌炎。引起这些变化是病毒毒素对心肌的作用抑为一般高热导致代谢和电解质紊乱未能确定。作者认为可能为多种因素综合作用引起心脏除极和复极过程的变化。虽然这些变化是否有特殊临床意义尚待进一步观察,但如能系统地观察它们的动态改变,对早期发现轻度心肌损害或心肌炎可能具有一定参考价值。
Continuous fever for 3 to 8 days, diagnosed as a sense of the age of 3 to 7 years of age 52 outpatient children, fever and heat back within two weeks for EKG examination. Comparing the two results, it was found that the R wave voltage was lower than that of the thermal regression when the fever peaked (0.22mV and 0.21mV respectively on the average of R_II and R_III), and the T_Ⅲ of the repolarization wave was lower than that of the fever and had T_III inversion deepened Most of the inverted T_Ⅲ recovered positive or T_Ⅲ voltage increased. Only one case of frequent premature beats, diagnosis of myocarditis. The changes that cause these changes are the effects of viral toxins on the myocardium as the general high fever leads to metabolic and electrolyte disturbances not identified. The authors believe that may be a combination of a variety of factors may cause heart depolarization and repolarization process changes. Although these changes have special clinical significance remains to be further observed, but if they can be systematically observed dynamic changes, early detection of mild myocardial damage or myocarditis may have some reference value.