ArticleJACC. Case reports2026
Dual Atrioventricular Nodal Non-Reentrant Tachycardia.
Article in JACC. Case reports, 2026. 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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Abstract
backgroundDual atrioventricular nodal non-reentrant tachycardia (DAVNNT) is a rare arrhythmia often misdiagnosed as atrial fibrillation, leading to inappropriate management. We present a case of DAVNNT successfully treated with slow pathway ablation. CASE SUMMARY: A 77-year-old woman with palpitations and syncope was initially thought to have sick sinus syndrome, supraventricular ectopic beats, and atrial fibrillation, resulting in pacemaker implantation and anticoagulation. Following device implantation, persistent tachycardia was observed. Electrocardiographic and intracardiac electrogram analysis suggested DAVNNT, which was confirmed by electrophysiology study. Slow pathway ablation resolved the arrhythmia and symptoms, allowing discontinuation of anticoagulation and beta-blocker therapy. DISCUSSION: Careful analysis of electrocardiographic and electrogram data was crucial in identifying DAVNNT, a rare but treatable arrhythmia. This case highlights the importance of considering alternative diagnoses in patients presenting with bradycardia, syncope, and supraventricular arrhythmias.
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