Abstract
Catheter ablation requires manipulating an electrode-tipped catheter to remotely target and modify arrhythmogenic myocardium. Ablation success is challenged by the inability to directly visualize complex 3-dimensional cardiac structures, necessitating the use of indirect observational methods. Fluoroscopy delineates the entire course of an electrode catheter but displays myocardial tissues poorly, leading to a reliance on other means of determining catheter position and contact. Local electrogram content such as the presence of a His bundle or vein potential aid in electrode localization, but reveal little information as to electrode tissue contact force.
Published Version
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