患儿,女,7岁,因发热、胸闷4天入院。患儿于入院前20余天患有“流行性腮腺炎”。在当地县医院按“流行性腮腺炎”治疗,于入院前4天患儿双侧腮腺肿胀消退后出现发热,体温多在37.5℃~38℃之间波动,同时伴胸闷,有时诉腹痛,偶有呕吐,无头痛,在当地县医院心电图检查示Ⅲ°房室传导阻 Children, women, 7 years old, due to fever, chest tightness, 4 days admission. Children suffering from “mumps” more than 20 days before admission. In the local county hospital by “mumps” treatment, 4 days before admission in children with parotid gland swelling subsided fever, body temperature and more fluctuations in the 37.5 ℃ ~ 38 ℃, at the same time with chest tightness, sometimes v. Abdominal pain, even Have vomiting, no headache, in the local county hospital ECG showed Ⅲ ° atrioventricular conduction resistance