ASO trite

Definition: ASO titre means Anti streptolysin o titre,i.e antibody against streptolysin O antigen.ASO antibody appears in the blood following infection with streptococci that produce streptolysin O.

Function: ASO blocks haemolysis by streptolysin O.

Significant: ASO titre is significance when it is more than 200 units.

Interpertation: Some non streptococcal conditions that occasionally cause an increase in theroy titre.Such as
·         Rheumatic fever.
·         Tuberculosis.
·         Hepatitis.
·         Gonorrhoea.

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