Throat Swab Gram stain: Introduction, Report-Interpretation, Clinical Significance, and Keynotes

Gram positive and Gram negative bacteria in throat swab Gram stain photomicrograph at a magnification of 4000X

Introduction A throat swab Gram stain is a rapid, initial diagnostic test performed on specimens collected from the oropharynx or tonsillar region. It helps to identify bacterial flora, pathogens, and inflammatory response. While culture and molecular methods provide definitive diagnosis, Gram staining offers early guidance …

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Pleural Fluid Microscopy: Introduction, Principle, Test Requirements, Procedure, Finding, Clinical Significance, and Keynotes

Collected Pleural Fluid-

Introduction Pleural fluid is the liquid collected from the pleural space between the lung and chest wall. Microscopic examination of pleural fluid plays a key role in identifying the underlying cause of pleural effusion. It helps distinguish between transudates and exudates, detect infectious organisms, malignant …

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Complete blood count (CBC): Introduction, Test Result, Unit, Reference Range, Testing Methods,and Keynotes

Complete blood count (CBC) Introduction, Test Result, Unit, Reference Range, Testing Methods,and Keynotes

Introduction A Complete Blood Count (CBC) is a common blood test that provides valuable information about the cellular components of the blood. It measures various parameters, such as red blood cells (RBCs), white blood cells (WBCs), and platelets, as well as other related indices. The …

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