Novel Imaging Strategies for Cardiac Arrhythmias

Over the past decade, catheter ablation has emerged as an important therapeutic strategy for patients with atrial and ventricular arrhythmias. By integrating computed tomographt (CT) and magnetic resonance imaging (MRI) images with electroanatomic maps, the electrophysiological navigation systems represent a significant advancement in the field enabling accurate, real-time navigation with detailed anatomical mapping for the ablation procedure. This enhances the accuracy of lesion delivery, reduces fluoroscopy time and procedural duration and improves the clinical outcomes. Three-dimensional (3D) rotational angiography and intracardiac echocardiography are emerging as newer modalities in ablation procedures. The role of molecular imaging has contributed to understanding mechanisms and targets for ventricular tachycardia ablation. Each imaging modality has its own advantages and limitations and its use is dependent on the skill and preference of the operator. This edition first published 2013