Lassa fever history and symptoms: Difference between revisions
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*[[Chest pain]] | *[[Chest pain]] | ||
=== | ===Respiratory tract=== | ||
*[[Dyspnea]] | *[[Dyspnea]] | ||
*[[Hemoptysis]] | *[[Hemoptysis]] | ||
*[[Cough]] | *[[Cough]] | ||
=== | ===Nervous system=== | ||
*[[Tremor]] | *[[Tremor]] | ||
*[[Confusion]] | *[[Confusion]] | ||
Revision as of 19:54, 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.
History and Symptoms
- The following graph demonstrates the common and rare symptoms associated with Lassa fever:
Common Symptoms
- Because the symptoms of Lassa fever are so varied and nonspecific, clinical diagnosis is often difficult.
- Non-specific symptoms include the following.
- Fever-Almost 100%
- Headache- 85%
- Muscle fatigue- 80%
- Retrosternal pain (pain behind the chest wall)-80%
- Weakness-77%.
- Dizziness-75%
- Sore throat-70%
- Back pain
- Cough-70%
- Vomiting-65%
- Abdominal pain-60%
- Diarrhea-40%
- Mucosal bleeding-40%
Less Common Symptoms
The other symptoms arising from the affected organs are:
Skin
- Jaundic
HEENT
Gastrointestinal tract
- Hematemesis
- Diarrhea (typically bloody)
- Constipation
- Dysphagia
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 |
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| 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. |