患者,男,19岁.自述于两年前正看电视时突然出现头晕,同时感地面晃动,不敢起身走路,但无恶心,呕吐,约一分钟后症状消失。此后经常发作,开始1～2月发作一次,后渐增加至每月数次,近一周来发作频繁,每天3～5次,因发作次数多,精神紧张,影响工作。每次发作前无预兆,发作时意识清楚,从不伴抽搐,发作后有短时间全身酸困及嗜睡.在当地多次查心电图均正常,服中西药治疗 Patient, male, 19. Readme About Suddenly dizziness while watching TV two years ago, he was not able to get up and walk without feeling nausea and vomiting. About a minute later the symptoms disappeared. Since then often attack, onset of onset in January and February, then gradually increased to several times per month, frequent attacks in the past week, 3 to 5 times a day, due to the frequency of attacks, mental stress, affecting work. Before each attack without warning, attack consciousness, never accompanied by convulsions, a short time after the onset of systemic acidosis and drowsiness in the local times check ECG are normal, serving Western medicine