St. Louis encephalitis laboratory findings: Difference between revisions
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__NOTOC__ | __NOTOC__ | ||
{{St. Louis encephalitis}} | {{St. Louis encephalitis}} | ||
{{CMG}} {{AE}}: {{VVS}} | {{CMG}}; {{AE}} {{AG}}; '''Contributor(s):''' {{VVS}}, {{Irfan Dotani}} | ||
==Overview== | ==Overview== | ||
The diagnostic method of choice for St. Louis encephalitis is laboratory testing. In St. Louis encephalitis, [[cerebrospinal fluid]] examination shows a moderate (typically [[lymphocytic]]) [[pleocytosis]]. 2/3 of patients with St. Louis encephalitis may have elevated concentration of CSF protein, which usually indicative of neuroinvasive disease. In the absence of a sensitive and non-invasive virus detection method, serologic testing is the primary method for diagnosing St. Louis encephalitis.<ref name= SLE>St. Louis Encephalitis Virus Antibodies (IgG, IgM). Quest Diagnostics (2016). http://www.questdiagnostics.com/testcenter/BUOrderInfo.action?tc=34982X&labCode=QTE Accessed on August 1, 2016.</ref><ref name= SLEV>Saint Louis Encephalitis. Centers for Disease Prevention and Control (2009). https://www.cdc.gov/sle/technical/symptoms.html Accessed on August 1, 2016.</ref> | |||
==Laboratory Findings== | ==Laboratory Findings== | ||
The diagnostic method of choice for St. Louis encephalitis is laboratory testing. In St. Louis encephalitis, [[cerebrospinal fluid]] examination shows a moderate (typically [[lymphocytic]]) [[pleocytosis]]. 2/3 of patients with St. Louis encephalitis may have elevated concentration of CSF protein, which usually indicative of neuroinvasive disease. In the absence of a sensitive and non-invasive virus detection method, serologic testing is the primary method for diagnosing SLEV infection. A rapid and accurate diagnosis of St. Louis encephalitis can be made by the detection of St. Louis encephalitis-specific [[IgM]] antibody in [[serum]] or CSF.<ref name= SLE>St. Louis Encephalitis Virus Antibodies (IgG, IgM). Quest Diagnostics (2016). http://www.questdiagnostics.com/testcenter/BUOrderInfo.action?tc=34982X&labCode=QTE Accessed on August 1, 2016.</ref><ref name= SLEV>Saint Louis Encephalitis. Centers for Disease Prevention and Control (2009). https://www.cdc.gov/sle/technical/symptoms.html Accessed on August 1, 2016.</ref> | |||
Other laboratory findings include: | |||
*[[Leukocytosis]] | |||
*[[Anemia|Mild anemia]] | |||
*[[Hyponatremia]] | |||
A positive St. Louis encephalitis [[IgM]] test result should be confirmed by neutralizing antibody testing of acute- and convalescent-phase [[serum]] specimens at the [https://www.cdc.gov/sle/technical/symptoms. Centers for Disease Control and Prevention]. | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
[[Category:Neurology]] | |||
{{WS}} | |||
{{WH}} | {{WH}} | ||
Latest revision as of 19:07, 18 September 2017
St. Louis encephalitis Microchapters |
Diagnosis |
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Treatment |
Case Studies |
St. Louis encephalitis laboratory findings On the Web |
American Roentgen Ray Society Images of St. Louis encephalitis laboratory findings |
Risk calculators and risk factors for St. Louis encephalitis laboratory findings |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Anthony Gallo, B.S. [2]; Contributor(s): Vishnu Vardhan Serla M.B.B.S. [3], Irfan Dotani [4]
Overview
The diagnostic method of choice for St. Louis encephalitis is laboratory testing. In St. Louis encephalitis, cerebrospinal fluid examination shows a moderate (typically lymphocytic) pleocytosis. 2/3 of patients with St. Louis encephalitis may have elevated concentration of CSF protein, which usually indicative of neuroinvasive disease. In the absence of a sensitive and non-invasive virus detection method, serologic testing is the primary method for diagnosing St. Louis encephalitis.[1][2]
Laboratory Findings
The diagnostic method of choice for St. Louis encephalitis is laboratory testing. In St. Louis encephalitis, cerebrospinal fluid examination shows a moderate (typically lymphocytic) pleocytosis. 2/3 of patients with St. Louis encephalitis may have elevated concentration of CSF protein, which usually indicative of neuroinvasive disease. In the absence of a sensitive and non-invasive virus detection method, serologic testing is the primary method for diagnosing SLEV infection. A rapid and accurate diagnosis of St. Louis encephalitis can be made by the detection of St. Louis encephalitis-specific IgM antibody in serum or CSF.[1][2]
Other laboratory findings include:
A positive St. Louis encephalitis IgM test result should be confirmed by neutralizing antibody testing of acute- and convalescent-phase serum specimens at the Centers for Disease Control and Prevention.
References
- ↑ 1.0 1.1 St. Louis Encephalitis Virus Antibodies (IgG, IgM). Quest Diagnostics (2016). http://www.questdiagnostics.com/testcenter/BUOrderInfo.action?tc=34982X&labCode=QTE Accessed on August 1, 2016.
- ↑ 2.0 2.1 Saint Louis Encephalitis. Centers for Disease Prevention and Control (2009). https://www.cdc.gov/sle/technical/symptoms.html Accessed on August 1, 2016.