The various combinations of diameters, tip sizes, and reaches provide physicians with the flexibility they need to ablate a broad range of target cardiac arrhythmias – including atrioventricular nodal reentry tachycardia (AVNRT), accessory pathways, Atrial Flutter, AFib ,AT, and VT. The Freezor™ catheters are the only focal catheters that utilize the cryo energy source.