8/26/2023 0 Comments Blood viscosity test![]() Untreated myeloma frequently has PV values of >3mPa while plasma containing macroglobulins can have values greater than 10mPa Conditions that secrete paraproteins e.g Myeloma or Macroglobulinaemia are associated with a very high PV. rheumatoid disease, the increased immunoglobulins, along with the inflammatory response, produce a raised plasma viscosity. ![]() In infection the initial response is followed by an increase in immunoglobulin which will maintain a high plasma viscosity. Fibrinogen responds as an acute phase reactant and is raised in the initial stages of any inflammatory response. The major influence on Plasma Viscosity is exerted by fibrinogen and immunoglobulins. Values from normal subjects are within a narrowly defined range and are unaffected by physiological stimuli. Plasma Viscosity (PV) estimation is a non-specific test reflecting changes in plasma proteins.
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