Resumen

MARQUEZ, Manlio F et al. Direct cryothermal ablation eliminates conduction of the slow pathway without inducing ectopic rhythms. Arch. Cardiol. Méx. [online]. 2005, vol.75, n.1, pp.112-117. ISSN 1665-1731.

Radiofrequency catheter ablation of atrioventricular nodal reentrant tachycardia is based on the elimination of conduction of slow or fast intranodal pathway. To avoid potential atrioventricular (AV) block, a new technology has been developed, cryothermal ablation. We report a case of AV nodal reentrant tachycardia in whom direct cryoablation, without previous ice mapping, was successfully performed. Interestingly and as previously described, cryotherapy did not induce ectopic rhythms, the conventional surrogate during radiofrequency ablation.

Palabras llave : Cryoablation; Catheter ablation; Atrioventricular nodal reentrant tachycardia.

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