Abstract
Since its first clinical evidence in 2008, there have been only few clinical reports of ablation in early repolarization syndrome (ERS). What is still undetermined is whether the mechanism of the ablation effect is due to the suppression of the trigger or substrate modification. In idiopathic ventricular fibrillations (VFs), the triggering sources mainly arose from either the Purkinje system or, less commonly, from the ventricular muscle. In ERS, VF sources from right or left Purkinje tissue are dominant (83%), with the site of origin correlating with the electrocardiographic location of early repolarization. RF catheter ablation of ERS is feasible and can be used as a bailout therapy for drug-refractory VF storms. Further studies are needed to evaluate the precise mechanisms of this arrhythmia.
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Nogami, A., Matsui, Y., Shinoda, Y., Kurosaki, K., Aonuma, K. (2018). Catheter Ablation for ERS. In: Shimizu, W. (eds) Early Repolarization Syndrome. Springer, Singapore. https://doi.org/10.1007/978-981-10-3379-7_7
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DOI: https://doi.org/10.1007/978-981-10-3379-7_7
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