患儿男,2岁7个月。入院前2小时误服硝苯地平30片(每片10mg)。服药后约半小时出现面色潮红、频繁呕吐,约1小时后出现四肢抽搐,意识丧失,面色青紫,持续2～3分钟后抽搐停止。各瓣膜听诊未闻及杂音。心电图检查:心房率96次/分,心室率65次/分,P波、QRS 波形态、时限正常,心电图诊断;Ⅲ度房室传导阻滞。入院诊断:Ⅲ度房室传导阻滞,阿斯综合征。经处理3天后痊愈出院。 Children male, 2 years and 7 months. 2 hours before admission mistaken nifedipine 30 (each 10mg). After about half an hour after taking the medicine appeared flushing, frequent vomiting, about 1 hour after the emergence of limbs twitch, loss of consciousness, looking purple, sustained 2 to 3 minutes after the convulsions stopped. The valve auscultation has not heard and noise. ECG: atrial rate 96 beats / min, ventricular rate 65 beats / min, P wave, QRS wave morphology, time limit normal, ECG diagnosis; Ⅲ degree atrioventricular block. Admission diagnosis: Ⅲ degree atrioventricular block, Asperger syndrome. After 3 days of treatment, healed and discharged.