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Is High ASO curable?
High ASO levels which decline subsequently indicate a Streptococcus infection which is resolving or being cured. A positive result in the ASO test (Higher than normal ASO levels) confirms a past Streptococcal infection.
When ASO titre is positive?
Because it takes time for the number of antibodies to increase in your blood after you are infected, you may need to repeat the ASO titer 2 weeks after your first blood sample. A positive result means that antibodies have been found. This means that you may have had a recent strep infection.
What happens if ASO high?
ASO antibodies will remain detectable in your blood for several months after an infection. If you have elevated levels of ASO antibodies, it means that you have probably had a recent strep infection. If your levels are taken again later and are higher, it also means you’ve probably had a recent strep infection.
What does ASO test for?
Antistreptolysin O (ASO) titer is a blood test to measure antibodies against streptolysin O, a substance produced by group A streptococcus bacteria. Antibodies are proteins our bodies produce when they detect harmful substances, such as bacteria.
What causes high ASO?
What is ASO titre normal range?
Streptolysin O Titre
| Alternative name: | ASO, ASO Ab |
|---|---|
| Reference range: | <200IU/mL |
| Assay range Notes: | 200-400IU/mL High normal range Assay range 0-5000 IU/ml |
| Turnaround time: | 5 – 7 days |
| Analysing laboratory: | Immunology The James Cook University Hospital |
What does it mean if my Aso test is positive?
If the ASO blood test results are positive, then this indicates that there are elevated antibody levels in the blood. In follow-up testing, if the results are higher than in the first test, then this indicates that the strep infection is not yet resolved.
What are the symptoms of a high Aso level?
The joint is hot, painful and swollen. The arthritis reaches maximum severity by about 24 hours and usually lasts for 2-6 days (rarely more than 4 wk). High ASO titres have been reported to be associated with a variety of rheumatic syndromes Streptococci produces haemolyisis, which play an important role in tissue damage, one being Streptolysin O.
What causes high Aso levels in Streptococcus infections?
High ASO titres have been reported to be associated with a variety of rheumatic syndromes Streptococci produces haemolyisis, which play an important role in tissue damage, one being Streptolysin O. This is highly immunogenic and evokes production of antibody to it called antistreptolysin O (ASO).
How many times can you do an ASO blood test?
The ASO blood test may be ordered twice, about 2 weeks apart from one another. This will let the medical provider know whether or not the antibody levels this test can detect or rising, falling, or staying level. What Do My ASO Blood Test Results Mean?