We report a case of persistent
inappropriate sinus tachycardia (IST) after pulmonary vein and superior vena
cava (SVC) isolation with cryoballoon ablation for paroxysmal atrial fibrillation (PAF). After the cryoballoon ablation (CBA) procedure, the
patient presented with sinus tachycardia of 105 beats/minute. The patient was
successfully treated with metoprolol and ivabradine therapy.
Credits: Dr. Murat Sucu; Dr. Kudret Aytemir; Dr. Hikmet Yorgun