Knowledge
Knowledge Hub
Educational resources for laboratory professionals — from foundational concepts to advanced practice.
Showing 24 of 25 results
Urinary Crystals: Types, Formation, and Clinical Significance
A detailed guide to urinary crystals, including their formation, microscopic appearance, relationship with urine chemistry, and clinical significance.
Quality Assurance, Quality Control, and the Laboratory Quality Management System
A detailed guide to understanding quality assurance, quality control, and the quality management system and how they work together to ensure reliable laboratory results.
The Inoculum Effect in Antimicrobial Susceptibility Testing
Understanding how bacterial inoculum size can influence antimicrobial susceptibility testing, MIC results, and the interpretation of antimicrobial activity.
Choosing the Right Culture Medium in Clinical Microbiology
A practical overview of commonly used culture media, their principles, and how medium selection supports the isolation and identification of microorganisms in clinical microbiology.
Westgard Rules: Principles of Internal Quality Control
A practical guide to Westgard multirule quality control procedures, including 1₂s, 1₃s, 2₂s, R₄s, 4₁s, and 10x rules, their interpretation, error detection, and appropriate QC actions.
An Introduction to Hemoglobinopathies
An educational introduction to hemoglobin variants and thalassemias and the general laboratory approach to their investigation.
The Reticulocyte Count: An Educational Overview
An educational overview of reticulocytes, how they are measured, and their general role in evaluating anemia.
The White Blood Cell Differential: An Educational Overview
An educational overview of the major white-cell populations reported on a differential count and general patterns of change.
Peripheral Blood Film Examination
An introduction to why and how peripheral blood films are examined in the hematology laboratory.
An Educational Overview of Anemia Classification
An educational overview of how anemia is broadly classified using red-cell size and laboratory findings.
The Complete Blood Count: Parameters and Indices
A closer look at the individual parameters that make up a complete blood count and how the red-cell indices relate to one another.
Understanding Laboratory Test Results
An educational overview of how laboratory results relate to reference information, method, specimen quality, and clinical context.
Understanding Laboratory Specimens
Learn why specimen type, collection, identification, transport, and processing are critical to laboratory result quality.
Quality Control in the Medical Laboratory
An introduction to internal quality control, control materials, monitoring, and investigation of analytical performance.
Accuracy vs Precision in Laboratory Testing
Learn the difference between accuracy and precision and why both are important in laboratory measurement performance.
Pre-analytical, Analytical and Post-analytical Phases
Explore the three major phases of laboratory testing and common activities in each phase.
The Laboratory Testing Process
An overview of how a laboratory test moves from patient preparation and specimen collection through analysis and reporting.
Introduction to Molecular Diagnostics
An introduction to molecular diagnostic methods used to detect and characterize nucleic acids and other molecular targets.
Introduction to Urinalysis
An introduction to routine urinalysis, including physical, chemical, and microscopic examination of urine.
Introduction to Blood Bank and Transfusion Medicine
An introduction to blood grouping, compatibility testing, blood components, and transfusion laboratory practice.
Introduction to Immunology and Serology
An introduction to immune responses, antigens, antibodies, and laboratory serology.
Introduction to Microbiology
An introduction to clinical microbiology, specimens, culture, identification, and antimicrobial susceptibility testing.
Introduction to Clinical Chemistry
An introduction to clinical chemistry and the measurement of chemical substances in biological specimens.
Understanding Blood and Its Components
Learn about plasma, red blood cells, white blood cells, and platelets and their basic roles.