Rate, sedimentation


Rate, sedimentation
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 ESR.

Medical dictionary. 2011.

Look at other dictionaries:

  • rate — 1. A record of the measurement of an event or process in terms of its relation to some fixed standard; measurement is expressed as the ratio of one quantity to another ( e.g., velocity, distance per unit …   Medical dictionary

  • sedimentation coefficient — n a measure of the rate at which a molecule (as a protein) suspended in a colloidal solution sediments in an ultracentrifuge usu. expressed in svedbergs * * * the velocity at which a particle sediments in a centrifuge divided by the applied… …   Medical dictionary

  • 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… …   Medical dictionary

  • Sedimentation coefficient — The sedimentation coefficient s of a particle is used to characterize its behaviour in sedimentation processes, notably centrifugation. It is defined as the ratio of a particle s sedimentation velocity to the acceleration that is applied to it… …   Wikipedia

  • 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

  • Rate, erythrocyte sedimentation — A sedimentation rate, or "sed rate", is a blood test that detects and is used to monitor inflammation activity. It is measured by recording the rate at which red blood cells (RBCs) sediment in a tube over time. It increases (the RBCs… …   Medical 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

  • Rate, sed — A sedimentation rate, or "sed rate", is a blood test that detects and is used to monitor inflammation activity. It is measured by recording the rate at which red blood cells (RBCs) sediment in a tube over time. It increases (the RBCs… …   Medical dictionary

  • sedimentation time — see under rate …   Medical dictionary


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