title: [Atrial fibrillation with pre-excitation - dangerous coincidence].
authors.forename: Jerzy K
authors.initials: JK
authors.lastname: Wranicz
authors.forename: Paweł
authors.initials: P
authors.lastname: Ptaszyński
mesh_terms: D006801:Humans; D008297:Male; D012420:Running / Q000502:physiology*; D013575:Syncope / Q000175:diagnosis* / Q000209:etiology*; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications* / Q000503:physiopathology*