目的:探讨儿童心肌炎心率变异值与室性心律失常的关系.方法:测量30例小儿心肌炎患者(其中14例无室性心律失常,16例伴有室性心律失常)和30例健康儿童的心率变异值,并进行比较.结果:儿童心肌炎患者心率变异值低于正常对照组,有极显著差异(P<0.01);儿童心肌炎室性心律失常组与非室性心律失常组心率变异值也有极显著差异(P<0.01).结论:测量儿童心肌炎患者心率变异值对预测并发室性心律失常有一定的价值,也可作为预测儿童心肌炎预后的一项指标.

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