What is anti-streptolysin oab test?

Question

medical test

Answer 1

Antistreptolysin O Ab is a blood test. A marked rise or an elevated titer indicates that a Streptococcus infection or poststrepto-coccal sequelae are present. The titers can rise as early as a week after onset. They peak at 3-5 week and usually return to normal within 12 months.