Blood
Bank Applications
Antiglobulin tests:
U also called ACoomb=s
test@
U a procedure used to detect antibodies
present in patient
serum
U used to
detect antibodies (Incomplete) that are unable to
reach between two red cells
U uses an anti-human globulin (AHG) to bridge
the gap
between red
cells coated with antibodies
U the
anti-human globulin (AHG) binds with the Fc
portion of IgG antibodies forming
agglutination
U two types of
antiglobulin tests:
\ Direct antiglobulin test (DAT)
\ Indirect antiglobulin test (Screen)
