Dengue Fever

7 Feb

QUICK HITS:

-Spread by the Aedes aegypti mosquito

-Occurs in urban environments in most tropical nations

Incubation period of 4-7 days usually

Symptoms:  

  • High fever,
  • headache,
  • nausea, vomiting,
  • severe myalgias,
  • rash (morbilliform rash that occurs on the trunk and spreads to extremities and face)
  • Can cause petechial hemorrhages because of vascular permeability

 

-Laboratory findings:  Leukopenia, thrombocytopenia, and hepatic dysfunction.  ELISA testing is possible. 

 

Treatment:  Supportive therapy.  NSAIDs contraindicated due to anticoagulant properties

 

-NOTE:  Southeast Asia has variant hemorrhagic fever and shock which has higher mortality

 

Submitted by Joey Grover.

 

Sources: Tintinalli’s Emergency Medicine:  7th Edition; Rosen’s Emergency Medicine:  7th Edition; picture

 

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