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  2. Procalcitonin - Wikipedia

    en.wikipedia.org/wiki/Procalcitonin

    The induction period for procalcitonin ranges from 4–12 hours with a half-life spanning anywhere from 22–35 hours. [5] It does not rise significantly with viral or non-infectious inflammations. In the case of viral infections this is due to the fact that one of the cellular responses to a viral infection is to produce interferon gamma ...

  3. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...

  4. Dilute Russell's viper venom time - Wikipedia

    en.wikipedia.org/wiki/Dilute_Russell's_viper...

    Russell's viper, Daboia russelii Dilute Russell's viper venom time (dRVVT) is a laboratory test often used for detection of lupus anticoagulant (LA). It is an assessment of the time for blood to clot in the presence of a diluted amount of venom from Russell's viper (Daboia russelii), a highly venomous snake native to the Indian subcontinent and named after the herpetologist Patrick Russell.

  5. Acute-phase protein - Wikipedia

    en.wikipedia.org/wiki/Acute-phase_protein

    Positive acute-phase proteins serve (as part of the innate immune system) different physiological functions within the immune system.Some act to destroy or inhibit growth of microbes, e.g., C-reactive protein, mannose-binding protein, [3] complement factors, ferritin, ceruloplasmin, serum amyloid A and haptoglobin.

  6. Sepsis - Wikipedia

    en.wikipedia.org/wiki/Sepsis

    The same review found the sensitivity of the test to be 77% and the specificity to be 79%. The authors suggested that procalcitonin may serve as a helpful diagnostic marker for sepsis, but cautioned that its level alone does not definitively make the diagnosis. [ 45 ]

  7. Plaque reduction neutralization test - Wikipedia

    en.wikipedia.org/wiki/Plaque_reduction...

    The plaque reduction neutralization test is used to quantify the titer of neutralizing antibody for a virus. [1] [2] The serum sample or solution of antibody to be tested is diluted and mixed with a viral suspension. This is incubated to allow the antibody to react with the virus. This is poured over a confluent monolayer of host cells.

  8. Bleeding time - Wikipedia

    en.wikipedia.org/wiki/Bleeding_time

    The time from when the incision is made until all bleeding has stopped is measured and is called the bleeding time. Every 30 seconds, filter paper or a paper towel is used to draw off the blood. The test is finished when bleeding has stopped. [6] A prolonged bleeding time may be a result from decreased number of thrombocytes or impaired blood ...

  9. Liver function tests - Wikipedia

    en.wikipedia.org/wiki/Liver_function_tests

    Although example reference ranges are given, these will vary depending on method of analysis used at the administering laboratory, as well as age, gender, ethnicity, and potentially unrelated health factors. Individual results should always be interpreted using the reference range provided by the laboratory that performed the test. [7]