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Recurrent supraventricular arrhythmias in a dog with atrial myocarditis and gastritis

Authors

  • C. Tyszko,

    1. Department of Clinical Sciences, and
      *Department of Microbiology, Immunology, and Pathology, Colorado State University, College of Veterinary Medicine and Biomedical Sciences, Fort Collins, CO 80523, USA
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  • J. M. Bright,

    1. Department of Clinical Sciences, and
      *Department of Microbiology, Immunology, and Pathology, Colorado State University, College of Veterinary Medicine and Biomedical Sciences, Fort Collins, CO 80523, USA
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  • S. L. Swist

    1. Department of Clinical Sciences, and
      *Department of Microbiology, Immunology, and Pathology, Colorado State University, College of Veterinary Medicine and Biomedical Sciences, Fort Collins, CO 80523, USA
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Abstract

This report describes a dog with recurrent atrial fibrillation and atrial flutter associated with chronic gastritis. Although no underlying structural heart disease was apparent antemortem or on gross post-mortem examination, chronic atrial myocarditis was seen on histopathological examination. Atrial myocarditis is a recognised cause of atrial fibrillation in human beings with presumed lone fibrillation, and an association between supraventricular tachyarrhythmias and infectious agents has been made.

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