title: Unusual conduction disorder: left posterior fascicular block + left septal fascicular block.
abstract: A 44-year-old man with aortic valve insufficiency and stenosis underwent aortic valve replacement depicting interesting ECG changes. This unique case is discussed, contributing to the understanding of a trifascicular left intraventricular conduction system.
authors.affiliation: Cardiology Discipline, ABC Medical Faculty, ABC Foundation, Santo André, São Paulo, Brazil.
authors.forename: Andres Ricardo
authors.initials: AR
authors.lastname: Pérez-Riera
authors.forename: Adrian
authors.initials: A
authors.lastname: Baranchuk
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000150:complications* / Q000175:diagnosis* / Q000628:therapy; D053840:Brugada Syndrome; D002037:Bundle-Branch Block / Q000150:complications* / Q000175:diagnosis* / Q000628:therapy; D000075224:Cardiac Conduction System Disease; D004562:Electrocardiography / Q000379:methods*; D006329:Heart Conduction System / Q000002:abnormalities*; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male
keywords: left posterior fascicular block; left septal fascicular block