Conversion of atrial fibrillation after levothyroxine in a dog with hypothyroidism and arterial thromboembolism

Chow, B. and French, A. (2014) Conversion of atrial fibrillation after levothyroxine in a dog with hypothyroidism and arterial thromboembolism. Journal of Small Animal Practice, 55(5), pp. 278-282. (doi: 10.1111/jsap.12184)

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Publisher's URL: http://dx.doi.org/10.1111/jsap.12184

Abstract

A six-year-old female spayed mixed-breed dog was referred following a 3-week history of lameness and progressive neurological deficits in both hindlimbs, and a 1-week history of a cardiac arrhythmia. The dog was diagnosed with hypothyroidism, atrial fibrillation, myocardial dysfunction and arterial thromboembolism. Cardioversion occurred after 2 weeks of levothyroxine supplementation, with improved systolic function over time. To the authors’ knowledge, this is the first case reported in the veterinary or human literature documenting hypothyroidism with persistent atrial fibrillation being converted to sinus rhythm with levothyroxine as sole therapy.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:French, Professor Anne
Authors: Chow, B., and French, A.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Journal of Small Animal Practice
Publisher:Wiley-Blackwell Publishing Ltd.
ISSN:0022-4510
ISSN (Online):1748-5827

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