ArticleJACC. Case reports2025
Ablation of Postsurgical Atrial Flutter Guided by Concealed Fragmented Potentials.
Article in JACC. Case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors.
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Abstract
backgroundPostsurgical atrial flutter constitutes a significant portion of atypical atrial flutter. Its activation sequence is complex and exhibits significant individual variation. CASE SUMMARY: A 76-year-old woman with a history of atrial septal defect repair was admitted for atrial flutter. Although initial mapping suggested a focal atrial tachycardia originating from the left anterior wall, complex signal identification revealed previously overlooked prolonged low-amplitude fragmented potentials within the map. This unveiled a macro-re-entrant circuit around the right superior pulmonary vein. After radiofrequency ablation at the critical fragmented potential site, sinus rhythm was restored. DISCUSSION: In this case, the final mapping diagnosis markedly differed from the initial interpretation, highlighting the critical importance of precisely identifying the key slow conduction zone. TAKE-HOME MESSAGES: Tachycardias after cardiac surgery are predominantly atypical atrial flutter. Detailed mapping and meticulous analysis are paramount for successful ablation of complex tachycardias.
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