Decremental Retrograde Conduction After Catheter Ablation of aPosterior Accessory Pathway | Abstract

International Journal of Medical Research & Health Sciences (IJMRHS)
ISSN: 2319-5886 Indexed in: ESCI (Thomson Reuters)


Decremental Retrograde Conduction After Catheter Ablation of aPosterior Accessory Pathway

Author(s):Mihai Puiu, Gabriel Cismaru*, Gelu Simu, Gabriel Gusetu, Dana Pop, Dumitru Zdrenghea and Radu Rosu

Atrioventricular accessory pathways are characterized by rapid non-decremental conduction from the atria to the ventricles. Following catheter ablation, conduction through the accessory route disappears completely. However, few case reports described decremental antegrade accessory pathway conduction after radiofrequency ablation as a result of insufficient thermal effect at the ablation site. We present the case of a 70-year-old female patient with a left posterior accessory pathway that acquired decremental retrograde conduction after insufficient catheter ablation. We repeated radiofrequency applications until we attained full ablation accompanied by the loss of retrograde decremental conduction in its totality.

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