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报道静脉注射心律平治疗31例阵发性室上性心动过速(PSVT)的复律作用及口服用药预防其复发的临床效果。结果表明心律平的复律疗效为77.4％,心动过速的终止环节主要为旁道逆传和房室结快径逆传。口服心律平300～600mg/d,随访3～24个月,其预防PSVT复发的疗效为64.5％。静脉注射心律平可终止心动过速的24例病人,口服心律早的预防效果(70.8％)明显优于静脉注射不昭终止的7例病人(42.8％)。笔者认为心律平在PSVT的复律和预防复发中具有良好的治疗作用。
The clinical efficacy of intravenous cardioversion in the treatment of cardioversion of 31 patients with paroxysmal supraventricular tachycardia (PSVT) and oral administration to prevent relapse was reported. The results showed that the cardioversion effect of cardioversion was 77.4%. The termination of tachycardia was mainly caused by retrograde bypass and rapid reverse of AV node velocity. Oral rhythm level 300 ~ 600mg / d, followed up for 3 to 24 months, the effect of prevention of PSVT recurrence was 64.5%. Intravenous injection of rhythmin could stop tachycardia in 24 patients. The preventive effect of oral rhythm (70.8%) was significantly better than that of intravenous injection of 7 patients (42.8%). I believe that the heart rate in PSVT cardioversion and prevention of recurrence has a good therapeutic effect.