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Figure 1 Termination With Adenosine of Focal AT Arising From the Anteroseptal Left Atrium
Shown are surface leads I, aVF, and V1, intracardiac bipolar recordings from the His bundle (HIS), coronary sinus (CS), and a multipolar catheter around the tricuspid annulus (RA-Halo). After adenosine 6 mg, the tachycardia cycle length slows before termination of the arrhythmia. AT = atrial tachycardia; d = distal; SR = sinus rhythm.
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