特发性长 Q—T综合征(LQTS)的脑电图表现,文献中少有报道。我院近期收治了1例,对其脑电图改变进行了观察,现报告如下。患儿男,11岁。5年前查体时发现心动过缓。1个月前游泳时突然出现晕厥,表现为头晕、心悸、胸闷、随即神志丧失而沉入水下,10多秒钟后被他人扶出水面,症状很快缓解。此后患儿反复出现头晕、心悸、 EEG long Q-T syndrome (LQTS) EEG performance, rarely reported in the literature. Recently admitted to our hospital in 1 case, the EEG changes were observed, are as follows. Children male, 11 years old. 5 years ago when the body was found bradycardia. A sudden onset of syncope 1 month ago when swimming, manifested as dizziness, palpitations, chest tightness, then lost consciousness and submerged, more than 10 seconds after being helped out of the water, the symptoms ease quickly. After repeated dizziness, palpitations,