CLASSIFICATION OF ANEMIA ACCORDING TO CAUSE:

Question 1

ANEMIA DUE TO IMPAIRED RED CELL PRODUCTION

Answer 1

a. IDA
b. ACD
c. Sideroblastic
d. Thalassemia
e. Lead Poisoning
f. Porphyrias
g. Megaloblastic anemias
h. AA
i. Myelophthisic (BM replacement) anemia

Question 2

ANEMIA DUE TO BLOOD LOSS – POST HEMORRHAGIC ANEMIA

Answer 2

a. Acute posthemorrhagic anemia
b. Chronic posthemorrhagic anemia

Question 3

ANEMIA DUE TO ACCELERATED RED CELL DESTRUCTION

Answer 3

a. Hemolytic anemia

Question 4

HA INTRINSIC DEFECTS

Answer 4

1. Hereditary spherocytosis / Congenital Hemolytic Jaundice Anemia
2. Paroxysmal Nocturnal Hemoglobinuria (PNH) / Machiafava-Micheli Syndrome
3. Hereditary Elliptocytosis / Ovalocytosis
4. Hereditary Pyropoikilocytosis
5. Hereditary stomatocytosis (Hydrocytosis)
6. Hereditary Acanthocytosis (Abetalipoproteinemia)
7. Rhnull dsz
8. High Phosphatidylcholine Hemolytic Anemia

Question 5

HA EXTRINSIC DEFECTS

Answer 5

Causes:
1. Chemical agents – drugs & chemicals
2. Physical agents – heat, trauma
3. Vegetable & animal poisons
4. Infectious agents – malarial parasite, bacteria
5. Presence of autoAbs, isoAbs or drug-related Ab causes