mixing study


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mixing study

A test to determine the cause of an elevated prothrombin time, thrombin time, or activated thromboplastin time. The patient's blood is mixed with normal blood. If the abnormal test result is corrected, the patient has a deficiency of a clotting factor. If it is not, an antibody or inhibitor to a clotting factor is present in the patient's serum.
See also: study
References in periodicals archive ?
For example, the thrust of PPI's mixing study is to gain insight into rheological behavior of a polymer before and after passing through specific mixing elements in an extruder.
Although mixing studies are useful in the evaluation of a prolonged PT, when multiple factor deficiencies are present the mixing study does not always correct completely into the reference interval.
Gogos also led the industry-sponsored Polymer Mixing Study, an important research project that has contributed greatly to the understanding of polymer blends and to the ability to predict and control the performance of ex truders used in mixing operations.