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  2. Diagnosis of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_tuberculosis

    The medical history includes obtaining the symptoms of pulmonary TB: productive, prolonged cough of three or more weeks, chest pain, and hemoptysis.Systemic symptoms include low grade remittent fever, chills, night sweats, appetite loss, weight loss, easy fatiguability, and production of sputum that starts out mucoid but changes to purulent. [1]

  3. 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.

  4. Tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis

    Diagnosis of latent TB relies on the tuberculin skin test (TST) or blood tests. [10] Prevention of TB involves screening those at high risk, early detection and treatment of cases, and vaccination with the bacillus Calmette-Guérin (BCG) vaccine. [3] [4] [5] Those at high risk include household, workplace, and social contacts of people with ...

  5. Mantoux test - Wikipedia

    en.wikipedia.org/wiki/Mantoux_test

    Children less than four years of age, or children and adolescents exposed to adults in high-risk categories; 15 mm or more is positive in Persons with no known risk factors for TB [13] A tuberculin test conversion is defined as an increase of 10 mm or more within a two-year period, regardless of age.

  6. Tine test - Wikipedia

    en.wikipedia.org/wiki/Tine_test

    The tine test is a multiple-puncture tuberculin skin test used to aid in the medical diagnosis of tuberculosis (TB). 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 ...

  7. Tuberculosis vaccines - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis_vaccines

    Tuberculosis (TB) vaccines are vaccinations intended for the prevention of tuberculosis. Immunotherapy as a defence against TB was first proposed in 1890 by Robert Koch . [ 1 ] As of 2021, the only effective tuberculosis vaccine in common use is the Bacillus Calmette-Guérin (BCG) vaccine, first used on humans in 1921.

  8. Interferon gamma release assay - Wikipedia

    en.wikipedia.org/wiki/Interferon_gamma_release_assay

    T-SPOT.TB, a form of ELISpot, the variant of ELISA (licensed in Europe, US, Japan and China). [3] The former test quantitates the amount of IFN-γ produced in response to the ESAT-6 and CFP-10 antigens from Mycobacterium tuberculosis, which are distinguishable from those present in BCG and most other non-tuberculous mycobacteria.

  9. 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 ...

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