- Normal sinus rhythm; OR chronic persistent atrial tachyarrhythmia with resting ventricular heart rate ≤ 60 beats per minute (bpm) and 6 minute hall walk ventricular heart rate of ≤ 90 bpm; OR chronic persistent atrial tachyarrhythmia with resting ventricular heart rate > 60 bpm and 6 minute hall walk ventricular heart rate of > 90 bpm and booked for atrioventricular junction ablation.