NT-proBNP: Introduction, Principle, Procedure, Result Interpretation, Clinical Significance, and Keynotes

Introduction The NT-proBNP (N-terminal pro B-type Natriuretic Peptide) test is a vital cardiac biomarker blood test used primarily to screen for, diagnose, and monitor heart failure. NT-proBNP is a physiologically inactive prohormone fragment released into the bloodstream alongside active BNP when the heart walls stretch …

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QuantiFERON-TB Gold Plus (QFT-Plus): Introduction, Principle, Procedure, Result Interpretation, Clinical Significance, and Keynotes

 Introduction The QuantiFERON-TB Gold Plus (QFT-Plus) is a highly sensitive fourth-generation Interferon Gamma Release Assay (IGRA). It acts as an indirect, in vitro blood screening test used to identify infections caused by the Mycobacterium tuberculosis complex. This advanced laboratory assay serves as a modern alternative …

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Nail Clippings KOH Mount: Introduction and Principle, Procedure, Result-Interpretation, Clinical Significance, and Keynotes

Hyaline septate fungal hyphae in KOH mount of nail clipping at a magnification of 1000x with 8x optical zoom

Introduction and Principle A nail clipping KOH (Potassium Hydroxide) mount is the fastest and most cost-effective diagnostic test used to detect fungal elements in nails. It serves as the primary screening tool for confirming onychomycosis (fungal nail infection) before starting long-term oral antifungal therapy The …

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BD BACTEC™ MGIT™ 960: Principles, Workflows, and Clinical Applications

BD BACTEC™ MGIT™ 960- Principles, Workflows, and Clinical Applications

Introduction The BD BACTEC™ MGIT™ 960 (Mycobacteria Growth Indicator Tube) is a fully automated, high-volume culture system designed for the rapid detection of mycobacteria and subsequent drug susceptibility testing (DST). Developed by Becton Dickinson (BD), this nonradiometric system addresses the critical clinical need for accelerated …

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Rapid Diagnostic Test for Visceral Leishmaniasis (Kala-azar): Introduction, Principle, Procedure, Result-Interpretation, Clinical Significance and Keynnotes

An InBiOS Detect rapid diagnostic test for Visceral Leishmaniasis (Kala-azar) that appears to show two visible lines, which is consistent with a positive antibody result

Introduction The Rapid Diagnostic Test (RDT) for Visceral Leishmaniasis (VL), often known as the rK39 test or Kalazar Detect™, is a specific, non-invasive immunochromatographic assay used to detect antibodies against Leishmania parasites in human serum or blood. Visceral Leishmaniasis (Kala-azar) is a severe, potentially fatal …

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HLA -B27 Test: Introduction, Principle, Procedure, Result-Interpretation, Clinical Significance, and Keynotes

Interpretation of HLA-B27 Result_page-0001

Introduction HLA-B27 (Human Leukocyte Antigen B27) is a specific genetic variant of the HLA-B gene located on chromosome 6. While HLA proteins normally help the immune system distinguish between the body’s own cells and foreign invaders, the B27 variant is a well-known risk factor for …

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

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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Immunochromatography: Introduction, Principle, Procedure, Result-Interpretation, Uses and Keynotes

Rapid tests based on Immunochromatography- Hepatitis A virus, Hepatitis E virus, Syphilis rapid test, ToRCH Rapid test and more

Introduction Immunochromatography, also known as lateral flow immunoassay or rapid test, is a widely used diagnostic technique that allows for the rapid and qualitative detection of specific target substances, such as antigens or antibodies, in various biological samples. It is a simple, cost-effective, and user-friendly …

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