Ablation of accessory pathways in patients with Ebstein's anomaly can be challenging. Despite increasing experience and advances in mapping technology, success is limited and recurrence rates can be high. To date, high-density electroanatomic mapping has not been studied in this anatomical substrate. We present a pediatric case of Ebstein's anomaly in which high-density mapping in Ebstein's anomaly was a useful additional tool to improve the outcome of catheter ablation.
Keywords: Catheter ablation; Ebstein’s anomaly; high-density mapping.
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