患者男,10岁。因反复晕厥20个月,发热1天,于1983年4月23日入院。一年来反复晕厥发作,短则每周2～3次,每次发作2～3分钟,能自行缓解。每次发作前有过累,或激烈运动,或饮食不足等诱因。发作多在夜间或凌晨,面色发绀。不醒人事,呼吸困难,大汗淋漓,发作后感无力嗜睡,1天后恢复正常。病后多次就医,曾做脑电图、脑血流图、超声心动图、心电图(有Q-T、延 Patient male, 10 years old. Due to repeated syncope for 20 months, 1 day fever, on April 23, 1983 admission. Synchronous seizures over the past year, as short as 2 to 3 times per week, each episode 2 to 3 minutes, to ease themselves. Before each episode of tired, or intense exercise, or lack of diet and other incentives. Seizures and more in the night or early morning, looking cyanotic. Awakened, dyspnea, sweating, post-stroke feeling of lethargy, 1 day after the return to normal. Repeatedly medical treatment, has done EEG, cerebral blood flow diagram, echocardiography, ECG (Q-T, extension