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Mycobacteria Growth Indicator Tube (MGIT) Culture Outcomes: Introduction, Identification, Causes of Contamination, and Keynotes

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Mycobacteria Growth Indicator Tube (MGIT)-Positive

Introduction The Mycobacteria Growth Indicator Tube (MGIT) system is a high-throughput, automated method optimized for the rapid isolation and detection of Mycobacterium tuberculosis complex and non-tuberculous mycobacteria (NTM).  [Initial Stage]     Oxygen is high —–> Quenches sensor —–> NO FLUORESCENCE [Bacterial Growth]  Oxygen consumed —-> Frees …

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IGRA (Interferon-Gamma Release Assay) Test-Introduction, Principle, Test Requirement, Procedure, Result-Interpretation, and Keynotes

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Introduction An Interferon-Gamma Release Assay (IGRA) is a modern blood test used to identify if a person is infected with Mycobacterium tuberculosis. It is primarily used to detect latent TB infection (LTBI) and to aid in the diagnosis of active tuberculosis disease.  Principle The test is based on the fact …

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