| Dizziness and loss of consciousness. Cardiovascular causes. | |
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MedLine Citation:
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PMID: 12735259 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Dizziness and loss of consciousness are common clinical problems presenting in general practice. OBJECTIVE: This article aims to provide the practitioner with a pragmatic and logical approach to identifying the cardiovascular causes of dizziness and loss of consciousness. DISCUSSION: A range of disorders with varying pathology cause a transient loss of consciousness associated with postural collapse (syncope) by interruption of blood flow to the brain. Syncope and seizures are the only common causes of recurrent episodes of loss of consciousness. The vasovagal reaction or 'common faint' and postural hypotension are both common and benign causes of syncope. Syncope can also result from cardiac causes that include disorders of cardiac rhythm and mechanical obstruction to cardiac output. Cardiac causes of syncope are associated with much higher morbidity and mortality than postural hypotension or fainting. Specific treatment is available for the various cardiac causes of syncope and thus accurate diagnosis is imperative. |
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Authors:
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Jeremy J Wright; Leonard F Arnolda |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Australian family physician Volume: 32 ISSN: 0300-8495 ISO Abbreviation: Aust Fam Physician Publication Date: 2003 Apr |
Date Detail:
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Created Date: 2003-05-08 Completed Date: 2003-05-23 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0326701 Medline TA: Aust Fam Physician Country: Australia |
Other Details:
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Languages: eng Pagination: 207-10 Citation Subset: IM |
Affiliation:
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Advanced Heart Failure and Cardiac Transplant Unit, Royal Perth Hospital, Western Australia. jeremy.wright@health.wa.gov.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cardiovascular Diseases
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complications* Causality Dizziness / epidemiology, etiology* Humans Medical History Taking / methods Physical Examination / methods Recurrence Syncope / classification, epidemiology, etiology* Unconsciousness / etiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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