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  • Title: Usefulness of ultra-high resolution mapping for detecting epicardial atrial activation during mitral isthmus ablation.
    Author: Kitajima H, Nishikawa Y, Senoo K, Esato M.
    Journal: J Electrocardiol; 2018; 51(2):236-238. PubMed ID: 29223305.
    Abstract:
    We describe a patient with perimitral atrial flutter (PMF) following the atrial fibrillation ablation and the linear ablation at the mitral isthmus (MI). From both the activation and the voltage maps using ultra-high resolution mapping, we detected the epicardial connection through the coronary sinus (CS) within the entire reentrant circuit. Point ablation within the CS, not additional linear MI ablation from the endocardium terminates PMF, with a bidirectional block across the low voltage area at the MI.
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