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Disopyramide[4—di-isopropylamino-2-Phe-nyl-2-(2 pyrjdyl)butyramide]是一种新抗心律失常药物,对心肌电生理作用似奎尼丁、普鲁卡因酰胺,可降低心肌自律能及心肌细胞膜电位兴奋性,延长心肌有效不应期及传导时间。Disopyramide有减弱心肌收缩力作用。
Disopyramide is a new anti-arrhythmic drug that acts like cardiac quinidine and procainamide on myocardial electrophysiology and reduces myocardial Self-discipline and myocardial cell membrane potential excitability, prolonged myocardial refractory period and conduction time. Disopyramide reduces myocardial contractility.