Fever in the returned traveller Flashcards
what mosquito transmits malaria
anopheles
What is the worse malaria type to get
plasmodium falciparum
What symptoms occur with severe malaria
FEVER - cyclical or spiking Chills, sweats altered consciousness, seizures ARDS circulatory collapse metabolic acidosis Renal failure Hepatic failure Coagulopathy, DIC Severe anaemia Hypoglycaemia
What ix do you do for malaria
with what kind of stain
THREE thick and thin blood smears
with Field’s or Giemsa staian
What. are the thick smears for
find parasites
what are the thin smears for
identify species
quantify parasitaemia
How do you treat non-falciparum malaria
chloroquine (3 days)
primaquine (14 days)
what should you do before prescribing primaquine
screen for G6PD deficiency
as it can cause haemolysis
what is treatment for mild falciparum malaria
Oral malarone
Artermisin combination therapy (ART)
What is treatment for SEVERE falciparum malaria
IV ARTESUNATE
What mosquito carries dengue
Aedes
What are clinical fts of dengue
fever headache (retroorbital) myalgia erythrocdermic rash bleeding gepatitis
What are ix for dengue
serology (IgM 5-7 days)
PCR
What is tx for dengue
supportive
What organisms cause typhoid
Salmonella typhi / paratyphi
What are symtoms of typhoid
prolonged fever headache Rose spots (pink spotson abdo) constipation dry cough
what are tx of typhoid
Ceftriaxone IV > then oral arythromycin
What is fever like in brucellosis
UNDULANT - bad in evening, resolves in morning
What kind of serology confirms brucellosis
SEROLOGY - anti-O polysaccharide antivody
what does biopsy of nervous system reveal in rabies
Negri bodies
What pathogen causes the PLAGUE
Yersinia pestis
How is yersinia pestis transmitted
IN RATS, then spread by flees
Where is yersinia pestis still present?
Some AMerican National Parks e.g. Yosemite
What disease is caused by Yersinia Pestis
Bubonic plague - fleas bites humans
Causes swollen lymph nodes (Bubo) and dry gangrene
