Brain heart infusion (BHI) Broth: Introduction, Composition, Principle, Preparation, Test Procedure, Result-Interpretation, Modifications, Uses, and Keynotes

Blood inoculated BHI broth after 4 days of incubation showing bacterial growth

Introduction of BHI Broth Brain Heart Infusion (BHI) broth is a highly nutritive medium and is thus useful for cultivating a wide variety of microorganisms like aerobic and anaerobic bacteria, yeasts, and molds.  BHI broth is commonly used in blood culture work and allied pathological …

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RF Test: Introduction, Principle, Testing Procedure, Result -Interpretation, Normal Range, Clinical Significance, and Keynotes

RF Test- Negative Control (NC)-Negative, Positive Control (PC), Test-Positive

Introduction of RF Test RF test uses to detect autoantibody of rheumatoid factor which stands for rheumatoid factor. Rheumatoid arthritis ( RA) is a chronic systemic inflammatory disorder that may affect many tissues and organs like skin, blood vessels, heart, lungs, and muscles but particularly …

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ASO (Anti-streptococcal O)Test: Introduction, Principle, Procedure, Normal Range, Result- Interpretation, and Keynotes

ASO Test Result

Introduction of ASO Test ASO stands for Antistreptococcal O and it is an antibody targeted against streptolysin O, a toxic enzyme produced by group A Streptococcus bacterium. Antistreptococcal O and anti -DNase are the most common of several antibodies that are produced by the body’s immune system in response to a strep infection …

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Enzyme-Linked Immunosorbent Assay (ELISA): Introduction, Principle, Types, Procedure, Result-Interpretation, Advantage, Disadvantage, and Interfering Factors of ELISA Test Results

Enzyme-Linked Immunosorbent Assay(ELISA) Introduction, Principle, Types, Procedure, Result-Interpretation, Advantage, Disadvantage, and Interfering Factors of ELISA Test Results

Introduction of ELISA ELISA stands for Enzyme-Linked Immunosorbent Assay. It comes under antigen and antibody reaction tests and is useful for the identification of antigens or antibodies of the following specimens serum, urine, CSF, sputum, semen, supernatant of culture, stool, etc. It is also applicable …

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C-Reactive Protein (CRP) Test: Introduction, Principle, Testing Procedure, Result -Interpretation, Normal Range, Clinical Significance, and Other Methods

C-Reactive Protein (CRP) Test: Introduction, Principle, Testing Procedure, Result -Interpretation, Normal Range, Clinical Significance, and Other Methods of Testing

Introduction of C-Reactive Protein (CRP) Test C-Reactive Protein (CRP) is a carbohydrate-reactive protein. The C-Reactive Protein (CRP) Test was so named because it was first identified as a substance in the serum of patients with acute inflammation that reacted with the somatic ‘C’ carbohydrate antigen …

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Food Intolerance Package: Introduction, Related Lab Tests, and Keynotes

Fish Egg Pakoda Set with Red wine

Introduction of Food Intolerance Package The food Intolerance package includes a panel of tests to know if patients have sensitivity to a specific food. A food allergy test is also a part of the Food Intolerance package to know the reason for intolerance in which …

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

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

Introduction of Rapid Plasma Reagin (RPR) Test RPR is a screening non-specific test for syphilis caused by a bacterium, Treponema pallidum. It has replaced the VDRL test due to having properties like no need of preparing fresh reagents daily, no need for a microscope, and …

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

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

Introduction of TPHA Test TPHA test  stands for Treponema pallidum hemagglutination. This is a confirmatory test for syphilis that is caused by a bacterium, T. pallidum. TPHA test is a sensitive indirect hemagglutination test, that detects specific Treponema pallidum antibodies in serum within one hour. It uses …

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