| Exercise Electrocardiography Extinguishes Persistent Junctional Rhythm in a Patient with Severe Anorexia Nervosa. | |
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MedLine Citation:
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PMID: 22343463 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Among psychiatric conditions, anorexia nervosa carries the highest mortality, in part due to the propensity for rhythm disturbances among patients with advanced disease. Patients with anorexia nervosa are prone to both bradycardia and tachyarrhythmias, though mortality has not been associated with the former. To date, only one case of junctional rhythm in the setting of anorexia nervosa has been previously described, which was unremitting and required prolonged hospitalization. We report a case of persistent accelerated junctional rhythm where a formal exercise electrocardiography study demonstrated rapid reversion to sinus rhythm with graded exercise. Despite a 22-day hospitalization the patient never reverted permanently to sinus rhythm. This underscores the heightened vagal tone that may be seen among patients with severe anorexia nervosa. Despite this, it may be rapidly extinguished with sympathetic overdrive during exercise. In this context, exercise electrocardiography appears to be a safe, noninvasive means of assessing cardiac conduction and chronotropic reserve in this population. |
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Authors:
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Mori J Krantz; Jennifer L Gaudiani; Victor W Johnson; Philip S Mehler |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-2-10 |
Journal Detail:
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Title: Cardiology Volume: 120 ISSN: 1421-9751 ISO Abbreviation: - Publication Date: 2012 Feb |
Date Detail:
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Created Date: 2012-2-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 1266406 Medline TA: Cardiology Country: - |
Other Details:
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Languages: ENG Pagination: 217-220 Citation Subset: - |
Copyright Information:
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Copyright © 2012 S. Karger AG, Basel. |
Affiliation:
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Division of Cardiology, Denver Health Medical Center and University of Colorado, Denver, Colo., USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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