• Int Heart J · Mar 2020

    Case Reports

    Atypical Slow-Slow Atrioventricular Nodal Reentrant Tachycardia with Use of a Superior Slow Pathway.

    • Yoshiaki Kaneko, Tadashi Nakajima, Takashi Iizuka, Shuntaro Tamura, Hiroshi Hasegawa, and Masahiko Kurabayashi.
    • Department of Cardiovascular Medicine, Gunma University Graduate School of Medicine.
    • Int Heart J. 2020 Mar 28; 61 (2): 380-383.

    AbstractWe report a case of atypical slow-slow atrioventricular nodal reentrant tachycardia (AVNRT) utilizing a superior slow pathway as a retrograde limb. The standard electrophysiological criteria confirm the diagnosis of this AVNRT by successfully excluding a diagnosis of atrial tachycardia and atrioventricular reentrant tachycardia. The earliest atrial activation during tachycardia was found at the interatrial septum 17.5 mm superior to the site identified during retrograde conduction with the fast pathway. The tachycardia was not inducible after ablation at the right posterior septum, consistent with successful ablation of the typical slow pathway.

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