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Archivos de cardiología de México

versión On-line ISSN 1665-1731versión impresa ISSN 1405-9940

Resumen

GOMEZ-FLORES, Jorge; JACOBO-RUVALCABA, Andrés  y  MARQUEZ, Manlio F.. Electroanatomic mapping and radiofrequency catheter ablation of focal atrial tachycardias. Arch. Cardiol. Méx. [online]. 2009, vol.79, suppl.2, pp.53-57. ISSN 1665-1731.

Focal atrial tachycardia is defined as supraventricular tachycardia originating from discrete sites from which activation spreads to both atrial. In most clinical series, atrial tachycardia account for about 5% of all supraventricular arrythmias. This tachycardia can occur in children or adults within and without structural heart disease. Three potential mechanisms are described for its origin: abnormal automaticity, triggered activity or microreentry. Catheter ablation has an important role in the management of focal atrial tachycardia and is now considered to be a first line therapy, can be improved with electroanatomical mapping system (CARTO) that allows reconstruction of the chamber geometry and allow visualization of the activation sequence; and can to improve the efficacy of catheter ablation.

Palabras llave : Focal atrial tachycardia; Pathophysiology; Electrocardiographic diagnosis; Localization; Catheter ablation; Carto system.

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