Rule of Three -2
Rules apply only if normal erythrocytes:
RBC
X
3
=
Examples of
unacceptable values :
RBC
= 3.50 x 1012/L
Hb
X
3
=
Hct
+ or
- 3
Hb =
13.0 g/dL
Hct
= 45.0% or 0.45 L/L
RBC
= 3.50 x 1012/L x
3 = 10.5
Hb =
13.0 g/dL x 3 = 39.0