ISSN 2398-2942      

Heart: Wolff-Parkinson-White syndrome

icanis
Contributor(s):

Dan Ohad

Mark Oyama

Synonym(s): Ventricular pre-excitation


Introduction

  • Wolff-Parkinson-White (WPW) syndrome or ventricular pre-excitation is a cardiac arrhythmia Heart: dysrhythmia , caused by an accessory pathway connecting the atrial and ventricular tissues.
  • This extra conduction pathway allows electrical impulses from the atria to bypass the atrioventricular node and reach the ventricles.
  • As a result of this bypass tract, tachyarrhythmia can occur, which leads to the WPW clinical syndrome of exercise intolerance, fainting, and myocardial failure.

Pathophysiology

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ECG characteristics

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Clinical impact

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Treatment

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Wright K N, Connor C E, Irwin H M et al (2018) Atrioventricular accessory pathways in 89 dogs: Clinical features and outcome after radiofrequency catheter ablation.​ JVIM 32 (5), 1517-1529 PubMed.
  • Wright K N, Atkins C E & Kanter R (1996) Supraventricular tachycardia in four young dogs. JAVMA 208 (1), 75-80 PubMed.
  • Atkins C E, Kanter R, Wright K et al (1995) Orthodromic reciprocating tachycardia and heart failure in a dog with a concealed posteroseptal accessory pathway. J Vet Int Med (1), 43-49 PubMed.

Other sources of information

  • Atkins C E & K N Wright (1995) Supraventricular tachycardia associated with accessory atrioventricular pathways in dogs. Current Veterinary Therapy XII: Small Animal Practice. J D Bonagura (ed).W B Saunders, pp. 807-812.

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