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Laborato cedures in Serology
Procedure
Qualitative
Note
Note
Note
Specimen No.
Square No.
4
5
Antigen added
0
,_
Square No.
4
5
Serum specimen
112 I
Medical Laborato Technology: Volume 2
Quantitative
Row 1 Antigen 0
Square No.
1
2
3
4
5 0.005
Volume of serum (m
0.08
0.04
0.02
0.01
Corresponding titre
1: 20
1 :40
1: 80
1: 160
1: 320
Agglutination reaction
4+
3+
2+
1 + (Titre)
0
Tube agglutination method
Reagent and Supplies
Procedure (Table 24.1)
Laborato cedures in Serology
TABLE 24.1
Tube#
The / test result for paent suspected of hag hoid fection
Dilution
5
7
C(O)
C(H)
3+ 3+
0
H
A(H) B(H)
3+
Note
Note
°
Medical Laborato Technology: Volume 2
Interpretation
Brucella abortus, B. suis B. melitensis.
B. abortus
Note
°
°
Laborato cedures in Serology
Jns
TABLE 24.2
Oinical condition
We-Fex reacon for dierent clinical conditions
OX-19
+
+
3
,_
-
-
Proteus antigens
OX-2
+
+
-
-
OX-K
-
+
3
-
C-Reactive Protein Test (CRP)
rapid latex agglutination
Principle
Procedure
Qualitative
°
776
Interpretation
=
=
=
=
TABLE 24.3
Agglutination reaction with patient's serum
Undiluted Diluted
Negative Negative Negative
Negative Weakly positive
Interpretation
Strongly positive (prozone)
Positive
Quantitative
=
=
=
=
=
=
Note
Laborato cedures in Serology
J111
Note
Note
Rheumatoid Arthritis Test (RA)
rheumatoid arthritis (RA).
Rheumatoid factors
RF test
latex agglutination slide test
Latex aggluation sde test
Principle
Reagents and supplies
Specimen collection and preparation
°
ns I
Procedure
°
I
+
*
*
(a)
FIGURE 24.9
Laborato cedures in Serology
J
n
g
Observation
Reporting
Negative (N):
Weak positive (WP):
Strong positive (SP):
Interpretation
negative, no agglutination,
titre less than 20.
Procedure
Note
Reporting
1so I
Additional information
Signicance of results
a diagnosis of RA cannot be
ruled out solely based on a negative test.
Medical Laborato Technology: Volume 2
(Streptococcus pyogenes)
S. pyogenes
Principle
Streptococcus pyogenes
neutralization
technique,