title: What is your diagnosis? Atrial flutter with 1:1 conduction and RBBB aberrancy.
authors.affiliation: Internal Medicine Department, Universidad Central del Caribe, Bayamón, P.R. 00960-6032.
authors.forename: J R
authors.initials: JR
authors.lastname: Rivera Del Río
authors.forename: I
authors.initials: I
authors.lastname: Igartúa Pontón
mesh_terms: D001282:Atrial Flutter / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged