Response of Accessory AV Pathways to Exercise and Catecholamines

  • Samuel Lévy
  • Jean-Paul Broustet
  • Marc Metge
  • Roland Cointe
  • Gérard Faugère
  • Raymond Gérard


There has been increasing interest in the last decade in the role played by the autonomic nervous system in tachycardia induction and termination [1–3]. Furthermore, recent reports have provided evidence that accessory pathway properties may be influenced by exercise and catecholamines [4–8]. Most of the data available concern atrioventricular (AV) pathways, and we shall focus our discussion on this type of accessory connection which is associated with the Wolff-Parkinson-White (WPW) syndrome. As developed elsewhere in this volume, tachyarrhythmias associated with WPW syndrome include both reciprocating tachycardias and atrial flutter-fibrillation. The changes induced by exercise and catecholamines on both normal pathway and accessory pathway may affect both types of tachyarrhythmias.


Cycle Length Refractory Period Accessory Pathway Effective Refractory Period Right Ventricular Apex 


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Copyright information

© Martinus Nijhoff Publishing 1986

Authors and Affiliations

  • Samuel Lévy
  • Jean-Paul Broustet
  • Marc Metge
  • Roland Cointe
  • Gérard Faugère
  • Raymond Gérard

There are no affiliations available

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