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本文报告小儿病态窦房结综合征6例,均系男孩。年龄3～8岁。病程最短10个月,最长已8年。主要临床表现有乏力、头晕及持续性心动过缓。X线检查仅1例心影中度增大。心电图表现:窦性心动过缓3例;结性心律5例;窦房传导阻滞3例;Ⅱ度房室传导阻滞1例;心房扑动及颤动1例。4例经阿托品试验为阳性。4例疑为病毒性心肌炎。2例病因不明,其中1例于胎儿期即有心动过缓,3岁时心电图示结性心律,心房扑动及颤动。文中介绍了本病的病因,临床表现,诊断及防治问题。
This article reports six cases of sick children with sick sinus syndrome, both boys. Age 3 to 8 years old. The shortest duration of 10 months, up to 8 years. The main clinical manifestations are fatigue, dizziness and persistent bradycardia. Only 1 case of X-ray examination increased moderately. Electrocardiogram: sinus bradycardia in 3 cases; 5 cases of arrhythmia; sinoatrial block in 3 cases; Ⅱ degree atrioventricular block in 1 case; atrial flutter and fibrillation in 1 case. 4 cases were positive by atropine test. 4 cases of suspected viral myocarditis. 2 cases of unknown etiology, including 1 case of bradycardia in the fetal period, 3 years old ECG showed nodular rhythm, atrial flutter and fibrillation. The article describes the etiology of the disease, clinical manifestations, diagnosis and prevention and treatment issues.