Atrial Isochronal Late Activation Mapping Keeps the Diaphragm Alive.
HeartRhythm case reports(2024)
Abstract
This case highlights isochronal late activation mapping (ILAM) during atrial flutter ablation in a patient with congenital heart disease. Compared to conventional mapping, which localized relevant substrate overlying the phrenic nerve, ILAM in sinus rhythm identified a region of isochronal crowding medial to the phrenic nerve, avoiding phrenic nerve injury.
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Key words
Isochronal late activation mapping,Atrial flutter,Adult congenital heart disease,Phrenic nerve,Ablation
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