(BQ) Part 2 book "The practice of catheter cryoablation for cardiac arrhythmias" presents the following contents: Prevention of phrenic nerve palsy during cryoballoon ablation for atrial fibrillation, linear isthmus ablation for atrial flutter - Catheter cryoablation versus radiofrequency catheter ablation, catheter cryoablation for the treatment of accessory pathways,.