| A case of dilated cardiomyopathy manifested by exercise-induced left bundle branch block. | |
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MedLine Citation:
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PMID: 8341005 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We report an extremely rare case of dilated cardiomyopathy manifested by exercise-induced left bundle branch block. A 63-year-old female came to our hospital because supraventricular arrhythmia had been detected at a check-up. A treadmill exercise test induced left bundle branch block. However, chest X-ray and echocardiography revealed no abnormal finding. Two years later, the patient experienced exertional dyspnea. A chest X-ray examination showed cardiomegaly, and echocardiography showed a moderate impairment of left ventricular function with left ventricular dilatation. The diagnosis of dilated cardiomyopathy was made by left ventricular myocardial biopsy. No previous cases have initially shown exercise-induced left bundle branch block which was followed by left ventricular dysfunction due to dilated cardiomyopathy. Careful long-term observation of the clinical course is necessary in patients with exercise-induced left bundle branch block which shows no significant underlying disease. |
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Authors:
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T Aoki; M Motoyasu; Y Simizu; N Ono; M Unno; H Nishikawa; Y Kakuta; T Konishi; T Nakano |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: Japanese circulation journal Volume: 57 ISSN: 0047-1828 ISO Abbreviation: Jpn. Circ. J. Publication Date: 1993 Jun |
Date Detail:
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Created Date: 1993-08-27 Completed Date: 1993-08-27 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7806868 Medline TA: Jpn Circ J Country: JAPAN |
Other Details:
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Languages: eng Pagination: 573-7 Citation Subset: IM |
Affiliation:
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Division of Cardiology, Yamada Red Cross Hospita Mie, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Bundle-Branch Block
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diagnosis,
etiology,
physiopathology* Cardiomyopathy, Dilated / diagnosis*, physiopathology Electrocardiography Exercise / physiology* Exercise Test / adverse effects Female Humans Middle Aged |
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