- Westergren method
- Westergren method n a method for estimating the sedimentation rate of red blood cells in fluid blood by observing the level to which the cells fall in one hour in a tube of 2 or 2.5 mm bore that is 300 mm long and is graduated downward in millimeters from 0 to 200 when 4.5 ml of venous blood is mixed with 0.5 ml of 3.8 percent aqueous solution of sodium citrate
* * *the most common method for testing the erythrocyte sedimentation rate; four volumes of whole blood are mixed with one volume of sodium citrate anticoagulant-diluent solution and placed in a Westergren tube graduated in millimeters from 0 to 200, filling to the 0 mark; the tube is placed in a vertical position for 1 hour and the fall of the level of red cells is recorded in mm/hr.
Medical dictionary. 2011.
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Westergren method tube — Wes·ter·gren method, tube (vesґter gren) [Alf Vilhelm Albertsson Westergren, Swedish physician, 1891â€“1968] see under method and tube … Medical dictionary
Westergren sedimentation rate — n WESTERGREN ERYTHROCYTE SEDIMENTATION RATE * * * Westergren method … Medical dictionary
Westergren erythrocyte sedimentation rate — Wes·ter·gren erythrocyte sedimentation rate ves tər grən n sedimentation rate of red blood cells determined by the Westergren method called also Westergren sedimentation rate Westergren Alf Vilhelm (1891 1968) Swedish physician. In 1921 in an… … Medical dictionary
Westergren tube — a straight glass pipette 30 cm long and 2.5 mm in internal diameter, marked in millimeters from 0 to 200 and used in the Westergren method of determining the erythrocyte sedimentation rate … Medical dictionary
method — The mode or manner or orderly sequence of events of a process or procedure. SEE ALSO: fixative, operation, procedure, stain, technique. [G. methodos; fr. meta, after, + hodos, way] Abell Kendall m. a … Medical dictionary
Westergren — Alf, Swedish physician, *1891. See W. method … Medical dictionary
erythrocyte sedimentation rate — (ESR) the rate at which erythrocytes precipitate out from a well mixed specimen of venous blood, measured by the distance the top of the column of erythrocytes falls in a given time interval under specified conditions; an increase in rate is… … Medical dictionary
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