title: Country cardiograms case 41.
authors.affiliation: Department of Medicine, Dalhousie University, Halifax, NS. brent .mcgrath @dal.ca
authors.forename: Brent M
authors.initials: BM
authors.lastname: McGrath
authors.forename: Jeff
authors.initials: J
authors.lastname: Moore
mesh_terms: D000293:Adolescent; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008151:Lown-Ganong-Levine Syndrome / Q000175:diagnosis*; D013610:Tachycardia / Q000209:etiology