New Catheter Techniques for Recording Accessory AV Pathway Activation

  • Warren M. Jackman


Few aspects of clinical electrophysiology are more intriguing than the variability in conduction properties of accessory AV pathways [1–6] and their unusual responses to antiarrhythmic agents [7–16]. Although potential mechanisms have been proposed [17], one of the greatest limitations to testing these hypotheses has been the inability to determine the location of conduction delay and block — that is, whether block occurs within the body of the accessory pathway or at the atrial or ventricular interface. Recently developed catheter techniques for recording accessory pathway activation [18–20] have provided useful tools for determining characteristics of impulse propagation across accessory pathways [19,21–23]. This chapter describes these new recording techniques and discuss some of their limitations.


Coronary Sinus Accessory Pathway Right Atrial Great Cardiac Vein Versus Pathway 
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© Martinus Nijhoff Publishing 1986

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  • Warren M. Jackman

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