Quick Glance at Haematology:

- carbonic anhydrase is almost 4% of red cell
protein
- iron in Hb forms about 2/3 or more of iron in
the body
- WHO cutoff for Anemia (gm/dL)
Males < 13
Females < 12
Pregnant women < 11
0.5- 4.99 yrs < 11
5- 11.99 yrs < 11.5
12- 14.99 yrs < 12
- diurnal variation of Hb values; more in
morning by around 1 gm /dL
- ECG changes are found in approximately 30%
of patients with a Hb value of <6 gm/dL. Usual
findings are normal QRS waves, depression of
ST segment, flattening or inversion of T waves