Muhammad Bilal: A Quick Visual Guide to the ABO Blood Group System
Muhammad Bilal, Medical Laboratory Technologist at Malak Laboratory Timergara, shared a post on LinkedIn:
”ABO Blood Group System A Quick Visual Guide.
Understanding blood groups is a cornerstone of safe transfusion practices and laboratory diagnostics.
The ABO system classifies blood based on the presence or absence of specific antigens on red blood cells and corresponding antibodies in plasma.
What this diagram highlights:
- Distribution of A, B, AB, and O blood groups
- Relationship between antigens and antibodies.
- Blood donation compatibility
- Transfusion safety principles
Even a small mismatch in blood grouping can lead to serious transfusion reactions making accuracy in the lab absolutely critical.
This visual simplifies a complex concept into an easy-to-understand format for students, interns, and healthcare professionals.
Strong fundamentals in hematology build confidence in clinical decision-making and ensure patient safety.”

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