Topographic Anatomy of the Inferior Pyramidal Space: Relevance to Radiofrequency Catheter Ablation

Inferior Pyramidal Space and Ablation. Introduction: Radiofrequency catheter ablation carried out in the vicinity of the triangle of Koch risks damaging not only the AV conduction tissues but also their arterial supply. The aim of this study was to examine the relationship of the AV nodal artery to the inferior pyramidal space, the triangle of Koch, and the right atrial endocardial surface.

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