Key result
Concomitant AVNRT and AF demonstrates an upper common pathway in the AVNRT reentrant circuit.
Why the study?
The anatomic substrate for AVNRT is not fully understood, and controversy remains regarding whether the reentrant circuit involves part of the atrium.
Key points are not available for this paper at this time.
Supports upper common pathway in AVNRT with AF; leaves open prevalence and ablation implications.
Despite being the most common supraventricular tachycardia in clinical practice, atrioventricular nodal reentrant tachycardia (AVNRT) still often imposes challenges both conceptually but also from a procedural standpoint. The anatomic substrate for AVNRT is still not fully understood and controversy remains as to whether the reentrant circuit involves part of the atrium.1
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Munawar et al. (2020) studied this question. Concomitant atrioventricular nodal reentrant tachycardia and atrial fibrillation demonstrates the existence of an upper common pathway in the AVNRT reentrant circuit.
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