【摘要】 １９９０年１月至１９９４年１月，行心脏瓣膜替换术７５２例，９例术后发生尖端扭转型室性心动过速，发生率１．２％，全部患者治愈。发生原因主要是低钾血症、低镁血症和心动过缓。诊断主要依靠心电图，治疗主要是静脉给予异丙肾上腺素、钾盐和硫酸镁。更多还原

【Abstract】 From January 1990 through January 1994 ,Nine of the 752 patients underwent valve replacement developed torsades de pointes postoperatively. The incidence was 1. 2/00. The most frequent cause is hypokalemia. Torsades de pointes is diagnosed by electrocardiogram , and could be treated effectively by isoproterenol,potassium ,and MgSO4.更多还原