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      Echocardiographic Studies on the Relationship between Atrial Fibrillation and Atrial Enlargement in Patients with Hyperthyroidism of Graves’ Disease

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          Abstract

          In order to study the relationship between the left atrial size and atrial fibrillation (AF) in patients with thyrotoxicosis, 92 patients with Graves’ disease were examined. Out of 92 patients (23 men and 69 women, age 7–71 years), 21 % had AF: 31 % of the patients older than 40 years had AF whereas none of the patients younger than 40 years had AF. Echocardiography revealed that the left atrial enlargement (more than 40 mm) exist in 7% of patients younger than 40 years, in 2% of those older than 40 years without AF and 94% of those older than 40 years with AF. Serum T<sub>3</sub> and T<sub>4</sub> were higher in the patients with AF than in those without AF when patients older than 40 years were analyzed.

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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
          : 10-17
          Affiliations
          Department of Gerontology, Endocrinology and Metabolism, School of Medicine, Shinshu University, Matsumoto, Japan
          Article
          174467 Cardiology 1989;76:10–17
          10.1159/000174467
          2523238
          © 1989 S. Karger AG, Basel

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          Page count
          Pages: 8
          Categories
          Original Paper

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