Parasitology 4- (Hematologic Infections) Plasmodium

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parasitology

 

Questions:

Q. What organisms are included in Plasmodium genus?

Q. What are signs and symptoms of Malaria?

Q. Which Type of Malaria is caused by P. Vivax/Ovale?

Q. Which type of Malaria is caused by P. falciparum?

Q. Which type of Malaria is caused by P. Malariae?

Q. How is Plasmodium transmitted?

Q. How is Malaria Diagnosed?

Q. What is the treatment of malaria?

Answers:

Q. What organisms are included in Plasmodium genus?

  • P. vivax
  • P. ovale
  • P. falciparum
  • P. malariae

Q. What are signs and symptoms of Malaria?

  1. Fever
  2. Headache
  3. Anemia
  4. Spleenomegaly

Q. Which Type of Malaria is caused by P. Vivax/Ovale?

  • Tertian Malaria (48 hour cycle)
  • Fever comes on 1st and 3rd day.
  • The dormant form (hypnozoite) is found in liver.

Q. Which type of Malaria is caused by P. falciparum?

  • Severe, irregular fever patterns.
  • Parasitized RBCs occlude capillaries in brain (cerebral malaria), kidneys and lungs.

Q. Which type of Malaria is caused by P. Malariae?

Quratan malaria (72 hr cycle)

Q. How is Plasmodium transmitted?

Mosquito (Anopheles)

Q. How is Malaria Diagnosed?

  • Blood smear
  • Thick and thin films

Q. What is the treatment of malaria?

  • Begin with chloroquine, which blocks Plasmodium heme polymerase.
  • If resistant, use mefloquine.
  • If life-threatening, use intravenous quinidine (test for G6PD deficiency)
  • Vivax/ovale – add primaquine for hypnozoite (test for G6PD deficiency)

 
 
 

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