Dengue Fever Flashcards
What is Dengue fever spread by?
Aedes mosquito
How long do symptoms of dengue fever take to appear?
7 days
What organism causes dengue fever?
Flavivirus
What is dengue fever characterised by?
Fever
Maculopapular rash
What are the main presentations of dengue fever?
- Peri-orbital headache
- Maculopapular rash
- Facial flushing
- Fever and myalgia
- Pleuritic pain
How is dengue fever diagnosed?
- PCR and serology
* Test for thrombocytopenia
Why would you test for thrombocytopenia?
Bleeding in dengue is due to a decrease in platelet levels
What can’t be used to treat dengue fever?
Antibiotics
Why can’t antibiotics be used to treat dengue fever?
It is a viral infection
What is the management of dengue fever?
Fluid resuscitation
Platelet/blood transfusion
What are the 2 main complications of dengue fever?
Dengue haemorrhagic fever
Dengue shock syndrome
What can dengue haemorrhagic fever cause?
Excessive bleeding from skin, digestive tract and nose