临床资料患儿,男,5岁3个月,因多次晕厥于1984年3月22日入院。自2岁起曾多次出现意识丧失,3岁以后以后发作更频,伴抽搦,但无大小便失禁,多在1分钟内苏醒。多在游玩哭闹时发作。曾在外院检查心电图发现Q-T延长及房室传导阻滞,服异丙基肾上腺素可减少发作。入院前1月几乎每隔数日即发作一次。 Clinical data Children, male, 5 years old 3 months, due to multiple syncope in 1984 March 22 admission. Since 2 years of age, there have been many episodes of loss of consciousness, more frequent episode after 3 years of age, with pumping, but no incontinence, more than 1 minute wake up. More play crying episodes. Had to check the ECG found in the outer hospital Q-T prolongation and atrioventricular block, with isoproterenol can reduce the attack. Almost every other day in January before admission to attack once.