HaematologyTier 2Topic

Blood group tests

Overview

>40 blood group systems, ~350 antigens. Only a handful matter clinically: ABO, RhD, Rh (C/c/E/e), Kell, Kidd, Duffy, MNS

ABO - the only system with naturally occurring antibodies

Universal donor / recipient

RhD

Alloimmunisation

Why some antigens matter more than others

Duffy and malaria

Bombay phenotype

Group and screen

Crossmatch

Direct vs indirect antiglobulin test

Antenatal testing

Emergency release

Sample and identification requirements

Anti-D prophylaxis - RhD-negative pregnant women

Special matching requirements

When the group is unclear

Associated conditions

Antibody persistence

Practical failure points

19 more sections, plus exam facts

Premium unlocks every note across every specialty, and the full exam fact library behind it.

Get premium access