Tachycardia-induced cardiomyopathy in a young Boxer dog with supraventricular tachycardia due to an accessory pathway

S. F. Foster, Geraldine B Hunt, S. P. Thomas, D. L. Ross, M. R B Pearson, R. Malik

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A 1-year-old male Boxer dog presented with sustained supraventricular tachycardia and tachycardia-induced cardiomyopathy. Conversion to sinus rhythm was achieved initially with intravenous lignocaine and subsequently with oral procainamide. Oral procainamide treatment was relatively successful in maintaining normal sinus rhythm with no side effects apart from a reversible change in coat colour. Electrophysiological studies demonstrated the presence of an accessory pathway connecting the right atrium to the right ventricle and confirmed the diagnosis of orthodromic atrioventricular reciprocating tachycardia. Radiofrequency catheter ablation of the accessory pathway led to permanent resolution of the supraventricular tachycardia and for 9.5 years the dog has had no further signs of cardiac disease. The successful treatment of this condition highlights the importance of differentiating tachycardia-induced cardiomyopathy from dilated cardiomyopathy.

Original languageEnglish (US)
Pages (from-to)326-331
Number of pages6
JournalAustralian Veterinary Journal
Volume84
Issue number9
DOIs
StatePublished - Sep 2006
Externally publishedYes

Fingerprint

Procainamide
Boxer (dog breed)
Supraventricular Tachycardia
cardiomyopathy
Cardiomyopathies
Tachycardia
Reciprocating Tachycardia
Dogs
Catheter Ablation
dogs
Dilated Cardiomyopathy
Lidocaine
Heart Atria
Heart Ventricles
Heart Diseases
sinuses
Color
mouth
lidocaine
heart diseases

Keywords

  • Accessory pathway
  • Boxer
  • Dog
  • Hypopigmentation
  • OAVRT
  • Procainamide
  • Radiofrequency catheter ablation
  • Supraventricular tachycardia

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Tachycardia-induced cardiomyopathy in a young Boxer dog with supraventricular tachycardia due to an accessory pathway. / Foster, S. F.; Hunt, Geraldine B; Thomas, S. P.; Ross, D. L.; Pearson, M. R B; Malik, R.

In: Australian Veterinary Journal, Vol. 84, No. 9, 09.2006, p. 326-331.

Research output: Contribution to journalArticle

Foster, S. F. ; Hunt, Geraldine B ; Thomas, S. P. ; Ross, D. L. ; Pearson, M. R B ; Malik, R. / Tachycardia-induced cardiomyopathy in a young Boxer dog with supraventricular tachycardia due to an accessory pathway. In: Australian Veterinary Journal. 2006 ; Vol. 84, No. 9. pp. 326-331.
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