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患者女性,58岁。因反复心悸、心晕、晕厥2年余入院。晕厥时伴意识丧失、四肢抽搐,无口吐白沫、大小便失禁。常在短时间内自行恢复。休查:T37.2℃,R18次/分,HR48～52次/分,Bp140/80mmHg。神消。心界不大,各瓣膜区未闻病理性杂音。肝脾不大,四肢肌力正常,双下肢无浮肿。门诊ECG检查过程中,突发阿斯。ECG示:窦性心律,完全性房室传导阻滞(CAVB),尖端扭转型室性心动过速(TDP),QTc0.56～0.60S(见附图1、2)。立即给予静脉注射阿托品、异丙基肾上腺素等治疗,仍频繁发作。遂予25％硫酸镁6ml加50％葡萄糖注射液20ml
Patient female, 58 years old. Due to repeated palpitations, dizzy, fainting more than 2 years admitted to hospital. Syncope with loss of consciousness, limbs twitch, no vomiting foaming, incontinence. Often recover in a short time. Rest: T37.2 ℃, R18 beats / min, HR48 ~ 52 beats / min, Bp140 / 80mmHg. God eliminate. Little heart, the valve area is not heard pathological murmur. Small spleen and liver, limb muscle strength normal, no swelling of both lower extremities. Outpatient ECG examination process, sudden Aspen. ECG showed: sinus rhythm, complete atrioventricular block (CAVB), torsades de pointes (TDP), QTc0.56 ~ 0.60S (see Figure 1,2). Immediately given intravenous atropine, isoproterenol and other treatment, is still frequent attacks. Then give 25% magnesium sulfate 6ml 50% glucose injection 20ml