Dissociated pulmonary vein potentials: Expression of the cardiac autonomic nervous system following pulmonary vein isolation?

Stepwise Approach to the Different Parts of Vasovagal Syncope in a Patient Undergoing Cardioneuro Ablation

A 30-year-old man underwent ganglionated plexi ablation due to cardioinhibitory type vasovagal syncope with asystole. After asymptomatic period of 15-month following the procedure, the patient experienced 2 new syncope episodes. Tilt test demonstrated vasodepressor response without significant bradycardia. Following the onset of midodrine therapy, the patient was asymptomatic for 1 year and tilt test demonstrate normal response.