Ebola laboratory tests: Difference between revisions
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Ebola would be categorized as a [[viral hemorrhagic fever]]. There are multiple tests available to test for and confirm the diagnosis of ebola (as well as other VHFs} | Ebola would be categorized as a [[viral hemorrhagic fever]]. There are multiple tests available to test for and confirm the diagnosis of ebola (as well as other VHFs} | ||
== | ==Laboratory Findings== | ||
[[Image:ebola lab.jpg|1050px]] | [[Image:ebola lab.jpg|1050px]] | ||
Revision as of 18:16, 14 December 2012
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Ebola Microchapters |
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Diagnosis |
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Treatment |
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Postmortem Care |
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Case Studies |
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Ebola laboratory tests On the Web |
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American Roentgen Ray Society Images of Ebola laboratory tests |
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Risk calculators and risk factors for Ebola laboratory tests |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Michael Maddaleni, B.S.
Overview
Ebola would be categorized as a viral hemorrhagic fever. There are multiple tests available to test for and confirm the diagnosis of ebola (as well as other VHFs}
Laboratory Findings
The following notes should be recognized for the chart shown.
- The single * represents the fact that whole blood can be used for enzyme-linked immunosorbent assay (ELISA) and may be frozen. Do not centrifuge suspected VHF specimens because this increases risk to the lab worker. If serum specimens have already been prepared these can be used. Place specimens in plastic tubes for shipping and storage and be sure that the tubes are sealed and properly labeled.
- The double ** represents to collect acute-phase specimen when patient is admitted to hospital or diagnosed as suspected case and collect convalescent-phase specimen at death or when discharged from the hospital.
- The triple *** represents that whole blood or tissue is preferred, although serum or plasma may provide results.
- The quadruple **** represents to use both ice packs and dry ice to provide best results. If dry ice or ice packs are not available, sample may be shipped at room temperature and still provide valid results in most cases.
Ebola virus can be detected in fatal cases from a skin specimen using immunohistochemistry or RT-PCR tests developed by the Centers for Disease Control and Prevention (CDC). The skin specimen is fixed in formalin or chaotrope which kills the virus. The specimen is no longer infectious once it is placed in formalin or chaotrope and the outside of the vial has been decontaminated. This vial can be shipped by mail or hand carried to the lab without risk. Results are available within a week after the specimen arrives at the CDC.