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Junctional Beats During Cryoablation of the Slow Pathway for the Elimination of Atrioventricular Nodal Reentrant Tachycardia

The patient was a 39-year-old female with recurrent paroxysmal, regular narrow QRS complex tachycardia. The cryoablation attempts (-80°C, 240 second) were performed in the inferior–posterior triangle of Koch’s. We observed several junctional beats during cryoablation, After successful cryoablation, AVNRT induction was repeatedly checked during a waiting period of 30 minutes. In our case we demonstrated that junctional beats can be observed during cryoablation. A junctional beats occurring during cryoablation of AVNRT is described for the first time.

Credits: Murat Sucu; Vedat Davutoglu; Esra Polat

Biosense Webster
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Introduction to AFib
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