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antistreptolysin O

Name antistreptolysin O
Specimen requirements 1 ml of serum
Procedure remarks titre maximum approx. 3-5 weeks after infection
Clinical utility existing or previous streptococcus infection, endocarditis, erysipelas, acute glomerulonephritis, myocarditis, arthritis, vasculitides, suspicions of secondary diseases (rheumatic fever, glomerulonephritis)
Methodology turbidimetry
Reference ranges < 200 kU/l