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Efficacy of Isoproterenol, Magnesium Sulfate and Verapamil for Torsade de Pointes Hirofumi Yamamoto 1 , Shigenobu Bando 1 , Akiyoshi Nishikado 1 , Kazuhito Hamai 1 , Katuhito Yamamoto 1 , Akihiro Shinohara 1 1The Second Department of Internal Medicine, School of Medicine, The University of Tokushima Keyword: トルサード ド ポアンツ(torsade de pointes) , イソプロテレノール(isoproterenol) , 硫酸マグネシウム(MgSO4 pp.261-265
Published Date 1991/3/15
DOI https://doi.org/10.11477/mf.1404900241
  • Abstract
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The efficacy of isoproterenol, MgSO4 and verapamil for torsade de pointes was evaluated in 60 dogs. Tor-sade de pointes was induced in 28 out of 60 dogs (46.7%) by ventricular stimulation after administration of quinidine sulfate (30mg/kg). The electrophysiologic effect of isoproterenol (0.5μg/min drip infusion) was studied in 9 dogs with torsade de pointes, in 9 dogs with MgSO4 (30mg/kg), and in 10 dogs with verapamil (0.1 mg/kg bolus injection followed by 0.01mg/kg/min drip infusion). If the first dose of these drugs was ineffective, ventricular stimulation was performed after the addi-tional administration of the same dose.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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