Second-degree atrioventricular block (Mobitz Type I) in an adolescent with anorexia nervosa: Intrinsic or acquired conduction abnormality

Authors

  • Nuray Ö. Kanbur MD,

    1. Division of Adolescent Medicine, Department of Pediatrics, The Hospital for Sick Children, and the Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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  • Eudice Goldberg MD,

    1. Division of Adolescent Medicine, Department of Pediatrics, The Hospital for Sick Children, and the Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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  • Leora Pinhas MD,

    1. Division of Adolescent Medicine, Department of Pediatrics, The Hospital for Sick Children, and the Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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  • Robert M. Hamilton MD,

    1. Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, and the Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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  • Robin Clegg MD,

    1. Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, and the Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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  • Debra K. Katzman MD

    Corresponding author
    1. Division of Adolescent Medicine, Department of Pediatrics, The Hospital for Sick Children, and the Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
    • Division of Adolescent Medicine, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada
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Abstract

Anorexia nervosa (AN) can cause both functional and structural cardiac complications, including a variety of different conduction abnormalities. This is the first case report of symptomatic diurnal second-degree atrioventricular (AV) block (Mobitz Type I) in an adolescent with AN. We present a 12-year-old girl with AN, restrictor sub-type who reported cardiac symptoms during weight gain, at the time of the initial diagnosis of AV block. Second-degree AV block (Mobitz Type I) is discussed as a possible complication of the AN, as well as being an intrinsic conduction system disease. © 2009 by Wiley Periodicals, Inc. Int J Eat Disord 2009

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