Lassa fever history and symptoms: Difference between revisions
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The following graph demonstrates the common and rare symptoms associated with Lassa fever: | The following graph demonstrates the common and rare symptoms associated with Lassa fever: | ||
[[File:Signs and symptoms Lassa.png|thumb| | [[File:Signs and symptoms Lassa.png|thumb|left|800 px|Signs and symptoms Lassa Fever<SMALL><SMALL>''[http://www.cdc.gov/NCIDOD/dvrd/spb/mnpages/lassaslides.htm]''</SMALL></SMALL>]] | ||
==Less Common Symptoms== | ==Less Common Symptoms== | ||
Less common symptoms of Lassa fever usually develop late and are often associated with a more severe course of disease. | Less common symptoms of Lassa fever usually develop late and are often associated with a more severe course of disease. | ||
===[[Skin]]=== | ===[[Skin]]=== | ||
* | *Jaundice | ||
===HEENT=== | ===HEENT=== | ||
| Line 66: | Line 66: | ||
! style="padding: 0 5px; font-size: 95%; background: #DCDCDC" align=left | '''And 1 of the following:''' | ! style="padding: 0 5px; font-size: 95%; background: #DCDCDC" align=left | '''And 1 of the following:''' | ||
|- | |- | ||
| rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ No response to standard treatment with the choice of regimen for most likely cause of [[fever]] ([[malaria]], [[typhoid fever]]) | | rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ No response to standard treatment with the choice of regimen for most likely cause of [[fever]] ([[malaria]], [[typhoid fever]]) | ||
|- | |- | ||
| rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ Readmitted within 3 weeks of inpatient care for an illness with [[fever]] | | rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ Readmitted within 3 weeks of inpatient care for an illness with [[fever]] | ||
|- | |- | ||
! style="padding: 0 5px; font-size: 95%; background: #DCDCDC" align=left | '''And 1 of the following''' | ! style="padding: 0 5px; font-size: 95%; background: #DCDCDC" align=left | '''And 1 of the following''' | ||
|- | |- | ||
| rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ [[Edema]] or [[bleeding]] | | rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ [[Edema]] or [[bleeding]] | ||
|- | |- | ||
| rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ [[Sore throat]] and [[retrosternal pain]]/[[vomiting]] | | rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ [[Sore throat]] and [[retrosternal pain]]/[[vomiting]] | ||
|- | |- | ||
| rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ Spontaneous [[abortion]] following [[fever]] | | rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ Spontaneous [[abortion]] following [[fever]] | ||
|- | |- | ||
| rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ [[Hearing loss]] following [[fever]] | | rowspan="1" style="font-size: 95%; padding: 0 5px; background: #F5F5F5" | ▸ [[Hearing loss]] following [[fever]] | ||
|} | |} | ||
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==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 20:03, 9 June 2015
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Lassa fever Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Lassa fever history and symptoms On the Web |
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American Roentgen Ray Society Images of Lassa fever history and symptoms |
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Risk calculators and risk factors for Lassa fever history and symptoms |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]; Ammu Susheela, M.D. [3]
Synonyms and keywords: Lassa hemorrhagic fever; LHF
Overview
Lassa fever after an incubation period of six to twenty-one days, manifest as an acute illness with multiorgan involvement and patients present with gastrointestinal, neurological and pulmonary symptoms.
Common Symptoms
Common symptoms of Lassa fever are often non-specific symptoms that resemble symptoms of other viral infections:
- Fever and chills (typically persistent high-grade)
- Headache
- Malaise
- Myalgia
- Arthralgia
- Chest pain (typically retrosternal)
- Dizziness
- Weakness
- Dizziness
- Sore throat
- Back pain
- Cough
- Nausea and Vomiting
- Abdominal pain
- Diarrhea (may be bloody)
- Conjunctival injection and conjunctival hemorrhage
- Mucosal bleeding
- Hearing loss
The following graph demonstrates the common and rare symptoms associated with Lassa fever:
Less Common Symptoms
Less common symptoms of Lassa fever usually develop late and are often associated with a more severe course of disease.
Skin
- Jaundice
HEENT
Gastrointestinal tract
Cardiovascular system
Respiratory tract
Nervous system
Diagnosis
The current case definition for suspecting Lassa fever is as follows:[1]
| Unexplained fever at least 38oC or 100.4oF for one week or more |
|---|
| And 1 of the following: |
| ▸ No response to standard treatment with the choice of regimen for most likely cause of fever (malaria, typhoid fever) |
| ▸ Readmitted within 3 weeks of inpatient care for an illness with fever |
| And 1 of the following |
| ▸ Edema or bleeding |
| ▸ Sore throat and retrosternal pain/vomiting |
| ▸ Spontaneous abortion following fever |
| ▸ Hearing loss following fever |