Thalassemia minor:
- Haemoglobin : Haemoglobin level is usually normal or mildly reduced.
- Peripheral blood film : Hypochromia and Microcytosis (similar to Iron Deficiency Anemia).
- MCV< 75 fl, RDW < 14%.
- Haemoglobin electrophoresis
- HPLC
- DNA analysis
Thalassemia major :
- Blood film :
- RBC : profound microcytic with extreme hypochromia, tear drop, target cells and nucleated RBCs.
- Hemoglobin may be very low at 3-4 g/dl.
- Haemoglobin Electrophoresis