患儿,女,6岁,因心电图示Ⅲ度房室传导阻滞一月余于1978年8月23日入院。7月初患水痘,持续高烧(40℃±)3天后渐愈。7月15日又出现发烧38±℃,自诉头晕,发现心率60—78次,心音低沉,心电图检查示Ⅰ～Ⅱ度房室传导阻滞,2天后心电图示Ⅲ度房室传导阻滞,心率40～50次/分,按“病毒性心 Children, female, 6 years old, due to ECG third degree atrioventricular block more than January January 1978 admitted to hospital on August 23, 1978. Early July, chickenpox, sustained high fever (40 ℃ ±) gradually after 3 days. July 15 fever 38 ± ℃, private prosecution dizziness, heart rate was 60-78 times, low heart sound, ECG showed grade Ⅰ ~ Ⅱ atrioventricular block, 2 days after the third-degree ECG showed atrioventricular block, heart rate 40 ~ 50 times / min, according to "viral heart