Parahisian pacing

Technique, utility, and pitfalls

Seth H. Sheldon, Hung Kei Li, Samuel J Asirvatham, Christopher J. McLeod

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Several observations and maneuvers in the electrophysiology (EP) laboratory are employed to identify whether retrograde ventriculoatrial conduction is via the atrioventricular (AV) node or an accessory pathway. Parahisian pacing is a unique maneuver where there is no change in the position of the catheter, the position of the stimulating electrode, nor the cycle length for pacing, but rather the pacing output is varied. The primary value for parahisian pacing is to distinguish between a septal accessory pathway and AV nodal conduction. However, more nuanced but just as reliable interpretation is possible to also help identify free-wall accessory pathways, intermittently conducting pathways, multiple accessory pathways, and various combinations of pathway and AV nodal retrograde conduction. In this review, we discuss the importance of correct technique and explain with examples some uncommon, yet instructive, findings when performing parahisian pacing.

Original languageEnglish (US)
Pages (from-to)105-116
Number of pages12
JournalJournal of Interventional Cardiac Electrophysiology
Volume40
Issue number2
DOIs
StatePublished - 2014

Fingerprint

Accessory Atrioventricular Bundle
Atrioventricular Node
Electrophysiology
Electrodes
Catheters

Keywords

  • Accessory pathway
  • Concealed accessory pathway
  • Parahisian pacing
  • Wolff-Parkinson-White

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)
  • Medicine(all)

Cite this

Parahisian pacing : Technique, utility, and pitfalls. / Sheldon, Seth H.; Li, Hung Kei; Asirvatham, Samuel J; McLeod, Christopher J.

In: Journal of Interventional Cardiac Electrophysiology, Vol. 40, No. 2, 2014, p. 105-116.

Research output: Contribution to journalArticle

Sheldon, Seth H. ; Li, Hung Kei ; Asirvatham, Samuel J ; McLeod, Christopher J. / Parahisian pacing : Technique, utility, and pitfalls. In: Journal of Interventional Cardiac Electrophysiology. 2014 ; Vol. 40, No. 2. pp. 105-116.
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