ESR - 2
Wintrobe method:
A
short, closed at one end tube is filled with whole-undiluted
blood and allowed to sit for one hour.
This
method is not used by very many labs.
Westergren
method :
2 ml
of whole blood mixed with 0.5 ml (4:1 ratio) 0.85% NaCl or 3.8% sodium citrate.
Filled
Westergren tube placed so it is within 2% of
vertical
After
one hour the distance red cells settled is measured
in mm and reported as #mm/hour