Malaria, travel-related infections, zoonoses, weird infections & vaccines Flashcards
what are the 5 different types of malaria
Plasmodium…
Falciparum
OVale
Vivax
Malarie
Knowseli
what type of malaria is resistant to choloquine
Plasmodium falciparum
what antibitoic can be used as prophylaxis for malaria
doxycycline
what types of mosquitoe cause malaria
female anopheles
what different types of viruses do the anophales and aedes mosquitoes caues
anophales -> malaria
aedes -> yellow & dengue fever & zika
where is malaria mainly distrubuted
Subsaharan africa
SE asia
India
central & south america
each type is more prominent in a different area
what are the 3 stages of malaria life cycles
Mosquitoe
Exo-erythrocytic
Erytrhocytic
regarding differences in their life cycle, what are differences between each type of malaria
Duration of erythrocytic cycle
Cytoadherance
Hypno-zoite stages
which cells do the plasmodium infect first?
Hepatocyte
what 2 types of plasmodium can have leave hypno-zoites in hepatocytes?
Ovale & vivax
what type of plasmodium has the highest mortality & why
Flaciparum
Cause of cytoadherance
the rbcs become ‘more sticky’ which can lead to vascular occluison, ischemia and inflammation
what type of plasmodium involves cytoaherance
falciparum
what are some of the common symptoms of malaria
Fever
Headhace
General malaise
Muscle aches
Fatigue
Sweating
Dry cough
N& V
Splenmogelay
what organ can become enlarged in malaria
spleen
causing spleenomegaly
what can severe malaria cause
Seizures
haemolytic anaemia
jaundice
Bleeding
how can severe malaria cause jaundice
haemolytic anaemia
RBCs are broken down and bilirubin is released
what commonlky occurs in the blood due to malaria
Thrombocytopeina
what are good severity markers for malaria in bloood
if high or low -> increased moratlity
Hypo-glycemia (not enough BG)
Hyper-parasitemia (too much parasites)
What is the gold-standard investigation for malaria
what are the different types
Peripheral blood films
Can be thick or thin
how is malaria treated for normal & sevre cases
Normal
Artemether -> plasmodium
Choloquine -> other types
Severe
IV artesunate or IV Quinine + doxycycline
Artemether can be used to treat what type of malaria
falciparum
choloquine can be used to treat what type of malaria
all other than facliparum
what 2 drugs are used as prophylaxis for malaria
Malarone & doxycycline
what are the important things to ask in a travel history
Excat dates
Countries visited
Transport
Activities
Medications & vaccines
Exposure
Accomodation
give examples of water-related infections
leptospirosis
Schistomsomiasis
sandflies can cause what type of infection
leishmianosis
traveled to flooded area
calf pain & sore red eyes
treated with benzypenicilin
a zoonose
whats this
leptospirosis
walked a lot barefoot in india
now has aneamia
whats this
hookworm
grey-coating on tonsils
Lots of cervical lymphadenopaty
whats this
diptheria
petechiae
Severe headache
thrombocytopenia
caused from aedes mosquiote
diagnosed via tournique test
whats this
dengue fever
what type of infection caused by aedes mosqutoe that has a breif period of remission between symptoms
yellow fever