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Tropical viral infections - Coggle Diagram
Tropical viral infections
Approach
Hx
places visited
duration of stay
immunisations
malaria prophylaxis
food + drink consumed
accomodation
contacts
swimming
Exam
fever
jaundice
anaemia
hepato/splenomegaly
Consider non-tropical causes of fever
Dengue fever
transmitted by mosquitoes
primary infection
fine erythematous rash
myalgia + arthralgia
high fever
after resolution of fever a secondary rash with desquamation may occur
Dengue haemorrhage fever (aka Dengue shock syndrome)
occurs when a previously infected child has a subsequent infection with a different serological strain of the virus
partially effective host immune response augments severity of infection
capill leak syndrome, hypotension, haemorrhagic manifestations
with fluid resus most children will recover fully
not infectious, no direct person-person spread
Viral gastroenteritis
e.g. rotavirus
rarely needs more attention than rehydration
Viral haemorrhagic fevers
Lassa
Marburg
Ebola
Crimean-Congo
Hanta
high contagious - strict isolation procedures should be followed
often lethal
21 d incubation
specialist advice should be sought