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Pulmonary and Paradoxical Embolism after Slow Pathway Ablation: A Thrombotic Disorder Unmasked by a Rare Complication.

Cardiac electrophysiology study (EPS) and catheter ablation procedure are established diagnostic and therapeutic procedures for cardiac arrhythmias. Pulmonary embolism (PE) is a relatively rare but potentially fatal complication of EPS. The paradoxical embolism (PDE) occurs due to an intracardiac defect with a right to left shunt with patent foramen ovale (PFO) being the most common cause. The simultaneous occurrence of PE and PDE is rare. Here we present a case of PE and PDE after EPS and RFCA of the slow pathway in a patient with recurrent supraventricular tachycardia (SVT) due to atrioventricular nodal reentry tachycardia (AVNRT). To our knowledge, such a case of PE and PDE has not been reported after SVT ablation.

Credits: Eiad Habib, Amani Elshaer, Azam Shafquat, Bandar Al-Ghamdi

Biosense Webster
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Introduction to AFib
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