Tuberculosis Archives - Page 4 of 4

Lowenstein-Jensen (LJ) Medium: Introduction, Principle Composition, Preparation, Procedure, Result- Interpretation, Limitation, and Keynotes

November 30, 2022July 18, 2022 by Medical Lab Notes

Introduction of Lowenstein-Jensen (LJ) Medium Lowenstein-Jensen (LJ) Medium is named after the surnames of Austrian pathologist Ernst Lowenstein (1878–1950) and the Danish chemist Kai Arne Jensen (1908–1992). The etiological agent of tuberculosis is Mycobacterium tuberculosis. It requires aerobic conditions and a protein-enriched medium for culture. The short …

QuantiFERON-TB Gold (QFT) and Tuberculin Skin Test (TST): Introduction, Differences, and Keynotes

December 7, 2022April 9, 2022 by Medical Lab Notes

Introduction of QFT) and TST Interferon-Gamma Release Assays (IGRAs) are a newer blood test for tuberculosis that detects TB infection by measuring the release of interferon-gamma (IFN-g) from patient T cells after stimulation of a whole blood sample with highly specific TB antigens. QuantiFERON-TB Gold …

Bacteria and Virus: Introduction, Differences, and Keynotes

December 8, 2022March 5, 2022 by Medical Lab Notes

Staphylococcus aureus growth on blood agar of clinical sample, pus

Introduction of Bacteria and Virus Bacteria are member of a large group of living unicellular microbes having size of cocci 0.5-1.0 µm while bacilli 1-10 µm×3-10µm which have cell walls but lacking an organized nucleus, including some that can cause disease like pneumonia, tuberculosis, food …