title: Two twiddlers.
authors.affiliation: Department of Pediatrics, University of Saskatchewan, Royal University Hospital, Saskatoon, Canada.
authors.forename: Ashok P
authors.initials: AP
authors.lastname: Kakadekar
authors.forename: Taras R
authors.initials: TR
authors.lastname: Mycyk
authors.forename: Ashwani
authors.initials: A
authors.lastname: Choudhry
mesh_terms: D000293:Adolescent; D004868:Equipment Failure; D005260:Female; D005500:Follow-Up Studies; D005548:Foreign-Body Migration; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013902:Radiography, Thoracic; D012086:Reoperation; D018570:Risk Assessment; D012804:Sick Sinus Syndrome / Q000000981:diagnostic imaging / Q000628:therapy*