Results
OT has been used to study different types of supraventricular
tachycardias. Regarding reentry tachycardias, velocity map has allowed
the characterization and definition of the impulse velocity along the
dual nodal pathway and the accessory pathways (AP). As regards atrial
flutter, it has successfully allowed the definition of the slowest zone
of the critical isthmus and radiofrequency (RF) delivery at that point
resulted in termination of the arrhythmia. During mapping of the left
atrium in sinus rhythm, the velocity map allowed the identification of
the course of the Bachmann’s bundle, which could potentially play a role
during the ablation of persistent atrial fibrillation (AF).