Sedimentation rate

Sedimentation rate
A blood test that detects and monitors inflammation in the body. It measures the rate at which red blood cells (RBCs) in a test tube separate from blood serum over time, becoming sediment in the bottom of the test tube. The sedimentation rate increases with more inflammation. Also called the erythrocyte sedimentation rate. Abbreviated as sed rate or

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sedimentation rate n the speed at which red blood cells settle to the bottom of a column of citrated blood measured in millimeters deposited per hour and which is used esp. in diagnosing the progress of various abnormal conditions (as chronic infections)

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the rate at which solid particles sink in a liquid under the influence of gravity. See also ESR.

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the rate at which a sediment is deposited in a given volume of solution, especially when subjected to the action of a centrifuge; see also erythrocyte sedimentation r.

Medical dictionary. 2011.

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Look at other dictionaries:

  • sedimentation rate — The distance red blood cells travel in one hour in a sample of blood as they settle to the bottom of a test tube. The sedimentation rate is increased in inflammation, infection, cancer, rheumatic diseases, and diseases of the blood and bone… …   English dictionary of cancer terms

  • sedimentation rate — noun the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammation • Syn: ↑erythrocyte sedimentation rate, ↑ESR, ↑sed rate • Hypernyms: ↑rate * * * noun …   Useful english dictionary

  • sedimentation rate — the rate at which solid particles sink in a liquid under the influence of gravity. See also: ESR (erythrocyte sedimentation rate) …   The new mediacal dictionary

  • sedimentation rate — n. blood test carried out to see if there is an inflammation in the body …   English contemporary dictionary

  • Erythrocyte sedimentation rate — Diagnostics A rack of ESR tubes. MeSH …   Wikipedia

  • 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 sedimentation rate — n WESTERGREN ERYTHROCYTE SEDIMENTATION RATE * * * Westergren method …   Medical dictionary

  • erythrocyte sedimentation rate — ESR. The distance red blood cells travel in one hour in a sample of blood as they settle to the bottom of a test tube. The sedimentation rate is increased in inflammation, infection, cancer, rheumatic diseases, and diseases of the blood and bone… …   English dictionary of cancer terms

  • erythrocyte sedimentation rate — noun the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammation • Syn: ↑ESR, ↑sedimentation rate, ↑sed rate • Hypernyms: ↑rate …   Useful english 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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