malaria protozoa Flashcards
is there a vaccine for malaria
no
why is there a world wide resurgence
increased travel
what is the vector
anopheles mosquito vector
what is the protozoa
parasitic protozoa of genus plasmodium
how many countries are at risk of malaria transmission
106
where are 91% of malaria deaths
africa
how many cases are there per year
207 million
how many types of plasmodium parasite are there
five
describe
plasmodium Falciparum
mainly in africa
most common
most deaths world wide
describe
Plasmodium Vivax
mainly found in south east asia and south america
milder symptoms
infect liver for up to 3 years after = resulting replaces
describe
Plasmodium Ovale
fairly uncommon
found in west africa
can remain in liver for several years without symptoms
describe
Plasmodium Malariare
rare and usually found in africa
describe
Plasmodium Knowlesi
very rare and found in parts of south east asia.
how long is the incubation period of malaria
7-30 days
which type of malaria has lowest incubation period
Plasmodium Falciparum
which type of malaria has the longest incubation period
Plasmodium Malariae
what can delay symptom appearance
antimalarial drugs
a delay with what can product dormant liver parasites
P. ovale
p. Vivax
a long delay of symptoms can result in
misdiagnosis or delayed diagnosis
describe uncomplicated malaria
classical malaria attack 6-10 hours.
Cold phase
Hot phase
Sweating phase.
attacks every two days with “tertain” parasites and every three days with Guartan parasite.
which malaria attacks every three days with guartan parasite
P. malariae
which malaria attacks every two days with tertain parasites
p. Ovale
p. vivax
p. falciparum
how do you diagnose malaria
need demonstration of parasite in the blood.
Blood smears thick and thin stained with haemotoxylin and eosin
additional lab findings: mild anaemia, thrombocytopenia, elevation of bilirubin and elevation of aminotransferases
blood smears need to be stained with
heamotoxylin and eosin
