title: Wenckebach Phenomenon in Left Bundle Branch Block.
abstract: A 60-year-old patient had recurrent wide QRS complex tachycardia with a left bundle branch and normal axis pattern. The underlying mechanism was atrioventricular nodal reentry tachycardia. Besides the palpitation, there were no other symptoms. The cardiovascular examination was normal.
authors.affiliation: Aurora Cardiovascular Services, Aurora Sinai/Aurora St. Luke's Medical Centers, University of Wisconsin School of Medicine and Public Health, 2801 West Kinnickinnic River Parkway, Suite 777, Milwaukee, WI 53215, USA. Electronic address: Publishing@aurora.org.
authors.forename: Masood
authors.initials: M
authors.lastname: Akhtar
mesh_terms: D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged; D013610:Tachycardia / Q000503:physiopathology*
keywords: Electrocardiogram; Left bundle branch block; Tachycardia; Wenckebach phenomenon