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Anti-Streptolysin O Titer (ASOT)

Also known as: ASLO
Formal name: Antistreptolysin O Titer
Related tests: Strep throat, Anti-DNase-B

Why should I do it?
To help determine whether a person has had a recent Group A streptococcal infection; to help diagnose post-streptococcal sequelae of rheumatic fever and Glomerulonephritis

When should I do it?
When someone has a fever, chest pain, fatigue, shortness of breath, edema, or other symptoms associated with rheumatic fever or glomerulonephritis, especially When a person recently had a sore throat but no rapid test or culture was done to confirm a Group A streptococcal infection

What Kind of Sample is Needed?
A blood sample drawn from a vein in your arm

Test Preparation Needed?
None