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硫酸镁治疗心律失常迭见文献,其对尖端扭转型室速的疗效仅有散在报导。现将作者所遇2例报告如下。例1 女,54岁,因左房粘液瘤于1986年7月17日上午9时30分至11时30分在体外循环下行瘤体切除术。下午2时心电图示低钾并出现频发室早RonT、短阵室速、尖端扭转型室速、室扑、室颤。即用利多卡因50mg反复推注3次,并加用地塞米松5mg静注,异丙肾上腺素静滴及补钾2克等处理,仍然发作3次。16时30分静注硫酸镁1.25克,后又发作1次。遂于17时40分及20时30
Magnesium sulfate for the treatment of arrhythmia Diego literature, its effect on torsades de pointes ventricular tachycardia only scattered reports. Now the author encountered two cases reported as follows. Example 1 Female, age 54, undergoes a tumor excision under cardiopulmonary bypass due to left atrial myxoma on July 17, 1986, from 9.30 a.m. to 11.30 a.m. 2:00 ECG showed low potassium and frequent room early RonT, paroxysmal ventricular tachycardia, torsades de pointes ventricular tachycardia, ventricular flutter, ventricular fibrillation. 50mg lidocaine repeated bolus 3 times, plus intravenous injection of dexamethasone 5mg, isoproterenol infusion and 2 grams of potassium and other treatment, still attack 3 times. At 16:30 intravenous injection of magnesium sulfate 1.25 grams, and then attack 1 times. Then at 17:40 and 20:30