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Innapproriate Sinus Tachycardia after Superior Vena Cava Isolation in Addition to Pulmonary Veins Isolation of Paroxysmal Atrial Fibrillation Cryoballoon Ablation

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

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Introduction to AFib
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