9.4. Travel Related Infections - Dengue Flashcards
1
Q
What is the significance of Dengue?
A
It is the commonest human arbovirus infection - killing 25,000 per year
2
Q
Where are the countries at risk of Dengue found?
A
In the central belt of the world:
1. South America
2. Africa
3. South Asia
3
Q
How is Dengue transmitted?
A
Via Mosquitoes
4
Q
What is the Clinical Presentation of Dengue?
A
- Sudden Fever
- Severe Headahces with Retro-Orbital Pain
- Sever Myalgia and Arthalgia
- Macular / Malculopapular Rash
- Haemorrhagic Signs (Petechiae, Purpura, Positive Tourniquet Test)
5
Q
How is Dengue Diagnosed?
A
Clinically:
1. Thrombocytopenia
2. Leucopenia
3. Elevated Transaminases
4. Positive Tourniquet Test
Laboratory:
1. PCR
2. Serology
6
Q
How is Dengue managed?
A
No Specific Therapeutic Agents - only complications managed, and prevention methods
7
Q
What are the complications of Dengue?
A
- Dengue Haemorrhagic Fever
- Dengue Shock Syndrome
8
Q
How are the complications of Dengue treated?
A
- I.V. fluids
- Fresh Frozen Plasma
- Platelets
9
Q
What are the prevention methods against getting Dengue?
A
- Avoid Bites (Bed Nets, Avoid Still Water)
- New Vaccine (Dengavaxia) - limited use
