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  2. Mantoux test - Wikipedia

    en.wikipedia.org/wiki/Mantoux_test

    The first test is read 48–72 hours after injection. If the first test is positive, consider the person infected. If the first test is negative, give a second test one to three weeks after the first injection. The second test is read 48–72 hours after injection. If the second test is positive, consider the person infected in the distant past ...

  3. Diagnosis of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_tuberculosis

    Injecting a Mantoux skin test The Mantoux test for TB involves intradermally injecting PPD (Purified Protein Derivative) tuberculin and measuring the size of induration 48-72 hours later. The Mantoux skin test is used in the United States and is endorsed by the American Thoracic Society and Centers for Disease Control and Prevention ( CDC ).

  4. Tine test - Wikipedia

    en.wikipedia.org/wiki/Tine_test

    The tine test is similar to the Heaf test, although the Mantoux test is usually used instead. There are various forms of the tine tests which usually fall into two categories: the old tine test (OT) and the purified protein derivative (PPD) tine test. Common brand names of the test include Aplisol, Aplitest, Tuberculin PPD TINE TEST, and ...

  5. Heaf test - Wikipedia

    en.wikipedia.org/wiki/Heaf_test

    The equivalent Mantoux test positive levels done with 10 TU (0.1 mL 100 TU/mL, 1:1000) are 0–4 mm induration (Heaf 0-1) 5–14 mm induration (Heaf 2) >15 mm induration (Heaf 3-4) The Mantoux test is preferred in the United States for the diagnosis of tuberculosis; multiple puncture tests, such as the Heaf test and Tine test, are not recommended.

  6. Tuberculin - Wikipedia

    en.wikipedia.org/wiki/Tuberculin

    The test used in the United States at present is referred to as the Mantoux test. An alternative test called the Heaf test was used in the United Kingdom until 2005, although the UK now uses the Mantoux test in line with the rest of the world. Both of these tests use the tuberculin derivative PPD (purified protein derivative). [citation needed]

  7. Tuberculosis classification - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis_classification

    Negative reaction to tuberculin skin test 2: TB infection No disease: Positive reaction to tuberculin skin test Negative bacteriologic studies (if done) No clinical, bacteriologic, or radiographic evidence of TB 3: TB, clinically active: M. tuberculosis cultured (if done) Clinical, bacteriologic, or radiographic evidence of current disease 4: TB

  8. Quantiferon - Wikipedia

    en.wikipedia.org/wiki/QuantiFERON

    The Quantiferon-TB Gold test (QFT-G) is a whole-blood test for use as an aid in diagnosing Mycobacterium tuberculosis infection, including latent tuberculosis infection (LTBI) and tuberculosis (TB) disease. [15] This test was approved by the U.S. Food and Drug Administration (FDA) in 2005. Blood samples are mixed with antigens (substances that ...

  9. PPD - Wikipedia

    en.wikipedia.org/wiki/PPD

    PPD test, Purified Protein Derivative test or Mantoux test, a screening test for tuberculosis; Postpartum depression, a mental disorder affecting parents within the first year of their child's birth; Pour point depressant, a chemical added to crude oil to lower its "pour point" ppd, Protopanaxadiol, a molecule

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