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Sustained supraventricular tachycardia in a horse
A J Guthrie1, E Nichas, F V Viljoen
1Department of Physiology, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, Republic of South Africa.
Journal of the South African Veterinary Association
|March 1, 1989
Abstract:
A case of sustained supraventricular tachycardia of unknown aetiology in a two-year-old Thoroughbred filly is reported. The cardiac dysrhythm was successfully treated by the oral administration of quinidine sulphate. Conversion of the dysrhythm to sinus rhythm occurred approximately 80 min after the initial dose of 5 g of quinidine sulphate. The horse returned to training approximately 2 months after treatment and has since successfully returned to racing.