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Initial Experience With a Multielectrode Catheter Equipped With the Single‐Axis Sensor Technology for High‐Density Electroanatomical Mapping in a Swine Model

Utility of Single‐Axis Sensor Technology in High‐Density Electroanatomical Mapping. Introduction: Magnetic‐based electroanatomical mapping systems are widely used during catheter ablation. Currently, the size of the sensor incorporated in the catheter to allow its localization is large, prohibiting the placement of more than one sensor on any single catheter. As a result, multielectrode catheters cannot be tracked by the magnetic‐based mapping systems. Single‐axis sensors (SAS) are new generation sensors that are significantly smaller in size. The small size of these new sensors allows the placement of more than one sensor on each catheter, allowing the tracking of multielectrode catheters. The objective of this study is to test the feasibility of creating high‐density magnetic electroanatomical maps using a new generation multielectrode catheter equipped with the SAS technology.