Bradycardia causes: Difference between revisions
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===Common Causes=== | ===Common Causes=== | ||
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*[[Acute coronary syndrome]] | *[[Acute coronary syndrome]] | ||
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*[[Iatrogenic]] after surgical correction of [[VSD]], [[tetralogy of Fallot]], and [[endocardial cushion defect]] | *[[Iatrogenic]] after surgical correction of [[VSD]], [[tetralogy of Fallot]], and [[endocardial cushion defect]] | ||
*[[vagus nerve|Increased vagal tone]] (e.g. [[sleep]], athletes) | *[[vagus nerve|Increased vagal tone]] (e.g. [[sleep]], athletes) | ||
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*[[Valvular heart disease]] | *[[Valvular heart disease]] | ||
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===Causes of Bradycardia By Organ System=== | ===Causes of Bradycardia By Organ System=== |
Revision as of 01:55, 4 September 2013
Bradycardia Microchapters |
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Case Studies |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: M.Umer Tariq [2]
Overview
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 or based on the location of the abnormality. 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
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.
Common Causes
Bradycardia causes developed by WikiDoc.org
Causes of Bradycardia By Organ System
Causes in Alphabetical Order
References
- ↑ Boujnah MR, Jaafari A, Boukhris B, Boussabah I, Thameur M (2000). "[Sinoatrial block induced by therapeutic doses of diltiazem. Report of 3 cases]". Tunis Med. 78 (12): 735–7. PMID 11155380.
- ↑ Malla RR, Sayami A (2007). "In hospital complications and mortality of patients of inferior wall myocardial infarction with right ventricular infarction". JNMA J Nepal Med Assoc. 46 (167): 99–102. PMID 18274563.
- ↑ Pagon RA, Bird TD, Dolan CR; et al. PMID 20301600. Missing or empty
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(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)