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Antimicrobial Susceptibility Testing (AST): Introduction, Principle, Test Methods, Test Requirements, Procedure, and Result Interpretation, Application, and Keynotes

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Antimicrobial Susceptibility Testing (AST): Introduction, Principle, Test Methods, Test Requirements, Procedure, and Result Interpretation, Application, and Keynotes

Introduction Antimicrobial Susceptibility Testing (AST) is a laboratory technique used to assess the effectiveness of antimicrobial agents, such as antibiotics, against specific microorganisms. The aim of AST is to determine the susceptibility or resistance of a microorganism to different antimicrobial drugs. This information is crucial …

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Tryptone Soy Broth: Introduction, Composition, Principle, Preparation, Testing Procedure, Colony Characteristics, Limitations, and Keynotes

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BD Bactec Tryptone Soy Broth bottles freshly inoculated blood specimens for culture

Introduction and Composition Tryptone Soy Broth (TSB) is a versatile and widely used liquid medium in microbiology. It is a nutrient-rich broth that supports the growth of a wide range of bacteria, making it suitable for general cultivation, enumeration, and maintenance of bacterial cultures. TSB …

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Shigella sonnei: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

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Shigella sonnei in wet mount of Tryptone soy broth microscopy

Introduction Shigella sonnei is a bacterium that is responsible for causing shigellosis, a type of bacterial infection affecting the digestive system. Shigellosis is commonly characterized by symptoms such as diarrhea, abdominal pain, fever, and occasionally, bloody stools. It is a specific serotype of the Shigella …

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Streptococcus oralis:Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

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Streptococcus oralis colony morphology on MacConkey agar

Introduction Streptococcus oralis is a gram-positive bacterium that belongs to the genus Streptococcus. It is a commensal bacterium that commonly inhabits the human oral cavity, along with other oral streptococci. S. oralis is considered a part of the normal oral microbiota and can be found …

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Tacrolimus Test: Introduction,Normal Range, Clinical Significance, and Keynotes

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Tacrolimus Test-Normal Range, Test method, and Clinical Significance

Introduction A Tacrolimus test is a medical test that measures the level of Tacrolimus in the blood. Tacrolimus is a medication that is commonly used in organ transplantation to prevent rejection of the transplanted organ. It belongs to a class of drugs known as immunosuppressants. …

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Candida Chromagar: Introduction, Principle, Test Requirements, Procedure, Result-Interpretation, and Keynotes

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Candida Chromagar: Introduction, Principle, Test Requirements, Procedure, Result-Interpretation, and Keynotes

Introduction Candida Chromagar is a selective and differential agar medium used for the isolation and identification of Candida species. HiMedia is a well-known manufacturer of microbiological culture media and laboratory products. Here are some keywords related to this agar: Principle The principle of Candida Chromagar …

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SARS-COV-2 Antigen Test: Introduction, Principle, Test Requirements, Procedure, Result-Interpreation, Keynotes

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SARS-COV-2 Antigen Test Strong Positive-Upper while weak positive -lower test device

Introduction SARS-CoV-2 antigen tests, also known as rapid antigen tests or rapid diagnostic tests (RDTs), are diagnostic tests designed to detect specific proteins or antigens from the SARS-CoV-2 virus, which is responsible for the COVID-19 disease. These tests are used to quickly identify active COVID-19 …

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X-Match: Introduction, Principle, Test-Procedure, Result-Interpretation, Application, and Keynotes

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X-Match: Introduction, Principle, Test-Procedure, Result-Interpretation, Application, and Keynotes

Introduction of X-Match The crossmatch is an important step in ensuring compatibility between the donor’s blood and the recipient’s blood before a blood transfusion takes place. It is performed to detect any potential incompatibilities that could lead to adverse reactions in the recipient. During a …

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