Malaria Flashcards
Which type of disease
Protozoal disease - Plasmodium vivax
Transmitted female anopheles mosquito
Agents
VFMO
Plasmodium Vivax 70%
P.Flaciparam 30%
P.Malarie
P.Ovale
Life cycle
Human Asexual
Mosquito sexual
Asexual cycle
Sporozoites (from bite M to H)
Hepatic schizonts
Merozoites
Enters RBC trophozoites schizonts
Gametocytes
Enters stomach mosquito
Sexual cycle
Microgametes
Macrogametes
Zygote
Ookinate oocyte
Reaches salivary gland via body cavity
REPEAT
People more prone to malaria
Affects all ages In pregnancy risk more Complications- IUD Premature labour. Abortion.
Resistant
New born infants
SCA
Transmission
Bite infected anopheles mosquito
Not infective unless sporozoites in sg
Accidentally hypodermic intramuscular or intravenous injection of blood or plasma
Person has malaria no blood donated until 3yrs afterwards
Stages
Cold
Hot
Sweating
1st stage
Lassitude
headache
nausea
chilly sensation
Last for 1hr
Parasite demonstrated in blood sample
Temp raise 39-49 c
Plus rapid weak
2nd
Burning hot Throws clothes Skin hot and dry Nausea headache Pulse full Respiratory inc 2-6 hr
3rd
Fever down
Skin cold moist
2-4 hrs
API
Annual parasite incidence=
(Confirmed cases 1yr ÷ population under surveillance)×1000
Malaria control
DDT spray
Larvicide like temophose
Breeding site reduce
Diagnosis
Microscopy stained thick thin blood smear
RDT based on circulating parasite antigen
Bivalent f&V