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临床上常采用静脉给予硫酸镁治疗快速型心律失常,但该药抗心律失常的机理仍然不清楚。作者观察了静滴硫酸镁对血清电解质、血压及心电图的影响。安装了心脏起搏器的病窦综合征患者9例,男6例,女3例,平均年龄62(28～85)岁。本组患者均无Ⅱ或Ⅲ度房室传导阻滞。
Intravenous magnesium sulfate is often used clinically to treat tachyarrhythmias, but the mechanism of antiarrhythmic action of the drug remains unclear. The authors observed the effects of intravenous magnesium sulfate on serum electrolytes, blood pressure and electrocardiogram. 9 cases of sick sinus syndrome with pacemakers were installed, 6 males and 3 females, with an average age of 62 (28-85) years. The patients had no Ⅱ or Ⅲ degree atrioventricular block.