VDRL Test: Introduction, Test Result, Normal Range, Test method, Clinical Significance, and Keynotes

Introduction The Venereal Disease Research Laboratory (VDRL) test is a blood test used to detect the presence of antibodies that are produced by the body in response to certain infections, primarily syphilis. Syphilis is a sexually transmitted infection (STI) caused by the bacterium Treponema pallidum. …

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Prothrombin Time Test and INR (PT/INR): Introduction, Test Result, Normal Range, Test method, Clinical Significance, and Keynotes

Prothrombin Time Test and INR (PT/INR)

Introduction The Prothrombin Time Test (PT) and International Normalized Ratio (INR) are crucial medical tests used to assess the clotting ability of blood. These tests play a vital role in monitoring patients on anticoagulant medications, evaluating bleeding disorders, and assessing liver function. Prothrombin Time Test …

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Ureaplasma: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Ureaplasma is a genus of bacteria that belong to the class Mollicutes. These bacteria are characterized by their small size, lack of a cell wall, and a simple structure. Ureaplasma species (they) are known to colonize the human urogenital tract and are associated with …

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Legionella pneumophila: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Legionella pneumophila is a gram-negative, aerobic bacterium responsible for causing Legionnaires’ disease, a severe form of pneumonia, and Pontiac fever, a milder flu-like illness. It was first identified in 1976 when an outbreak of pneumonia affected attendees of an American Legion convention in Philadelphia, …

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Microsporum ferrugineum: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Microsporum ferrugineum in LPCB taese mount of culture microscopy showing typical bamboo hyphae and lacking production of both microconidia and macroconidia

Introduction Microsporum ferrugineum is a species of dermatophytic fungus that belongs to the genus Microsporum. Dermatophytes are a group of fungi that are capable of infecting and colonizing the outer layers of the skin, hair, and nails, causing various dermatophytosis or “ringworm” infections in humans …

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Inverted Microscope: Introduction, Principle, Parts, Uses, Care and Maintenance, and Keynotes

Inverted Microscope: Introduction, Principle, Parts, Uses, Care and Maintenance, and Keynotes

Introduction An inverted microscope is a specialized optical instrument that revolutionizes the way we observe and study biological specimens, live cells, and other materials in a liquid medium. Unlike conventional microscopes, where the objective lens is above the specimen, the inverted microscope ingeniously flips this …

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Mycoplasma pneumoniae: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Mycoplasma pneumoniae is a unique type of bacteria that belongs to the class Mollicutes. What sets it apart from other bacteria is its lack of a cell wall, which is a characteristic feature of most bacterial species. This absence of a cell wall makes …

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Geotrichum: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Geotrichum candidum colony morphology on Sabouraud dextrose agar (SDA) in clinical specimen, pus

Introduction Geotrichum is a genus of fungi that belong to the family Geotrichaceae. These fungi are commonly found in various environmental settings, including soil, water, and decaying organic matter. Geotrichum species can also be found as part of the natural microbiota in humans and animals. …

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