ESR: the rate of red blood cell/erythrocytes sedimentation/aggregation. The new version of this examination is the "VSH": the Velocity of the Sedimentation of the red blood cells/Haematias.
Erythrocyte sedimentation is the aggregation of red blood cells in the form of a column. The rate of erythrocyte sedimentation (Erythrocyte sedimentation rate ESR): the measuring of red blood cell aggregation.
In certain conditions (that cause the growth of acute phase proteins or immunoglobulins), plasma proteins attach to the red blood cell surface and reduce the surface potential, causing red blood cell aggregation and increased sedimentation.
ESR: the rate at which red blood cells aggregate/settle in an anticoagulated blood sample within an hour.
Normal ESR range: 0-22mm/h for men and 0-29mm/h for women.
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