Three-Dimensional Mapping in Interventional Electrophysiology: Techniques and Technology

Douglas L. Packer, M.D.

Disclosures

J Cardiovasc Electrophysiol. 2005;16(10):1110-1116. 

In This Article

Introduction

Since the introduction of single catheter His bundle recordings nearly four decades ago, substantial inroads into the elucidation of the mechanisms of cardiac arrhythmias have been made. Single-channel evaluations have given way to simultaneous, multichannel mapping, resulting in more detailed temporal characterization of specific arrhythmias. It has thereby become increasingly difficult to keep track of an ever increasing number of channels of electrograms and analyze them within the context of their specific anatomic origins. This limitation has provided the incentive for the development of computer-based mapping that chronicles both the temporal and spatial characteristics of cardiac activation. This development has also been driven by the need for increasing accuracy in arrhythmia localization as required for catheter ablation.[1]

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