A 6-month-old baby with severe pallor and hepatosplenomegaly. Similar history is present in a sibling. Investigation of choice:
b. Hb electrophoresis(Ref: Nelson's 20/e p 2323-2325, Ghai 8/e p 334-335)Presence of pallor and hepatosplenomegaly at 6 months of age with a positive family history indicates towards thalassemia major, which can be diagnosed by Hb electrophoresis.
Bone marrow biopsy
Hb electrophoresis
Hb estimation
Platelet count
C.V.S.