Dora, SKTharakan, JAValaparambil, ANamboodiri, NNair, KPeter, T2017-03-102017-03-1020068 ,2;140-14310.1093/europace/euj003https://dspace.sctimst.ac.in/handle/123456789/10452In a 12-year-old girt with history of recurrent palpitation, an ambulatory 24 h Hotter electrocardiogram showed a wide QRS complex rhythm with atrioventricular dissociation. During an electrophysiology study, an atriofascicular pathway was diagnosed with an inducible antidromic atrioventricutar re-entrant tachycardia. At slower heart rates, the patient had a wide QRS complex escape rhythm similar to the tachycardia and the pre-excited QRS complex morphology. This indicates the presence of pacemaker-like cells in the atriofascicular accessory pathway giving rise to the wide QRS complex escape rhythm at a slower heart rate.Cardiovascular System & Cardiology