Bradycardia causes: Difference between revisions
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===Causes in Alphabetical Order=== | ===Causes in Alphabetical Order=== | ||
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==References== | ==References== | ||
Revision as of 04:03, 27 August 2012
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Bradycardia Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Bradycardia causes On the Web |
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American Roentgen Ray Society Images of Bradycardia causes |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: M.Umer Tariq [2]
Overview
Causes
Pathologic bradycardias are caused by disorders of impulse generation (impaired automaticity at SA node), impulse conduction (heart block) or escape pacemakers and rhythms. Bradycardia can be underlain by several causes, which are best divided into cardiac and non-cardiac causes. Non-cardiac causes are usually secondary, and can involve recreational drug use, endocrine disorders (hypothyroid); electrolyte imbalance (hyperkalemia); autonomic reflexes; situational factors (prolonged bed rest); infections lyme disease, medications, and autoimmunity disorders. Cardiac causes include acute or chronic ischemic heart disease, vascular heart disease, valvular heart disease, or degenerative primary electrical disease (fibrosis and calcification of the sinus node and conduction system).
Causes of Bradycardia By Organ System
Causes in Alphabetical Order
References
- ↑ Pagon RA, Bird TD, Dolan CR; et al. PMID 20301600. Missing or empty
|title=(help) - ↑ Goldstein S, Qazi QH, Fitzgerald J, Goldstein J, Friedman AP, Sawyer P (1985). "Distichiasis, congenital heart defects and mixed peripheral vascular anomalies". Am. J. Med. Genet. 20 (2): 283–94. doi:10.1002/ajmg.1320200212. PMID 3976722. Unknown parameter
|month=ignored (help)