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      Diagnosis of Dual Accessory Pathways by Ajmaline Test

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          Abstract

          In a patient with the Wolff-Parkinson-White syndrome, the existence of dual accessory pathways, both right-sided, was suspected during ajmaline test and confirmed during electrophysiologic study. The first accessory pathway was manifest in sinus rhythm while the second was obscured and revealed during low right atrial pacing. Ajmaline abolished conduction over the first pathway which most probably had a long refractory period allowing manifestation of the second pathway which had a very short refractory period. A longer conduction time over the second accessory pathway was suggested to explain its concealment during sinus rhythm.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1989
          1989
          11 November 2008
          : 76
          : 1
          : 53-57
          Affiliations
          Department of Cardiology, Tel-Aviv Medical Center, Ichilov Hospital, and Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel
          Article
          174471 Cardiology 1989;76:53–57
          10.1159/000174471
          2706645
          © 1989 S. Karger AG, Basel

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          Page count
          Pages: 5
          Categories
          Original Paper

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