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患者女性,26岁。反复心悸、发作性晕厥7年,复发1天,于1992年3月7日入院。首次发作于7年前产后25天,在先兆性心悸后晕厥或昏倒,双眼上视、意识不清,有时伴四肢抽搐,无大小便失禁,每次发作持续几秒至几十秒,极少超过2min,可日发数次。最近7年期间,每年均有发作,多因停药而复发。本次查体及心脏三位片、超声心动图、心肌酶谱并复习既往资料,均不能提示器质性心脏病,多次查血K~+、Na~+、cl~-、Ca~(2+)、Mg~(2+)均正常,仅1次血Mg~(2+)低(0.57mmol/L)。患者自幼体健,家族中3代调查均未发现预
Patient female, 26 years old. Repeated palpitations, paroxysmal syncope 7 years, 1 day recurrence, in March 7, 1992 admission. The first episode occurred 7 days before delivery 25 days after childbirth, fainting or fainting after threatened palpitations, eyes up, unconsciousness, sometimes accompanied by extremities convulsions, incontinence and incontinence, each episode lasting from seconds to tens of seconds, More than 2min, can be made several times. In the recent seven years, there are seizures every year, mostly due to withdrawal and relapse. The physical examination and the heart of three films, echocardiography, myocardial enzymes and review of previous data, can not prompt organic heart disease, repeated blood tests K ~ +, Na ~ +, cl ~ -, Ca ~ ( 2 +), Mg ~ (2+) were normal, only one low blood Mg ~ (2+) (0.57mmol / L). Patients since childhood, health, family 3 generations of the survey did not find pre-