Atrial Fibrillation and Wolff-Parkinson-White Syndrome (WPW) By L Brent Mitchell, MD, Libin Cardiovascular Institute of Alberta, University of Calgary Reviewed / Revised Jan 2023 View Patient Education Treatment Topic Resources Atrial fibrillation in Wolff-Park... In Wolff-Parkinson-White syndrome, antegrade conduction occurs over an accessory pathway.