Antistreptolysin O titre

Antistreptolysin O titre

Antistreptolysin O titre (AS(L)O titre or AS(L)OT) - titre of (serum) antistreptolysin O antibodies is a blood test used to assist in the diagnosis of a streptococcal infection or indicate a past exposure to streptococci.

The ASOT helps direct the antimicrobial treatment and is used to assist in the diagnosis of scarlet fever, rheumatic fever and post infectious glomerulonephritis.

A positive test usually is >200 units/mL,Antistreptococcal antibody titres. gpnotebook. URL: [http://www.gpnotebook.co.uk/cache/-1630535637.htm http://www.gpnotebook.co.uk/cache/-1630535637.htm] . Accessed on: March 31, 2007.] but normal ranges vary from laboratory to laboratory and by age. [cite journal |author=Danchin M, Carlin J, Devenish W, Nolan T, Carapetis J |title=New normal ranges of antistreptolysin O and antideoxyribonuclease B titres for Australian children |journal=J Paediatr Child Health |volume=41 |issue=11 |pages=583–6 |year=2005 |pmid=16398843 |doi=10.1111/j.1440-1754.2005.00726.x]

The false negatives rate is 20-30%. If a false negative is suspected, then an anti-DNase B titre should be sought. False positives can result from liver disease and tuberculosis.

References

ee also

*List of medical abbreviations
*streptococcus

External links

* [http://www.gpnotebook.co.uk/simplepage.cfm?ID=-1630535637 Antistreptococcal antibody titres] - GPnotebook.co.uk.
* [http://www.medterms.com/script/main/art.asp?articlekey=10946 Antistreptolysin O Titer] - medterms.com.
* [http://www.ucihs.uci.edu/com/pathology/PathologyServicesManual/..%5CPathology%20Service%20Manual%5CANTISTREPTOLYSIN%20O%20TITER,%20SERUM.htm Antistreptolysin O Titer, Serum]
* [http://www.healthatoz.com/healthatoz/Atoz/ency/streptococcal_antibody_tests.jsp Streptococcal antibody tests] - healthAtoZ.com


Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • Rheumatic fever — Classification and external resources Streptococcus pyogenes bacteria, Pappenheim s stain ICD 10 I …   Wikipedia

  • Anti-streptolysin O — (ASO) is the antibody produced against an antigen produced by Lancefield group A streptococci. The enzyme is called streptolysin O , wherein the O stands for oxygen labile ; the other antigen being oxygen stable streptolysin S. Both the enzymes… …   Wikipedia

  • Erysipelas — Infobox Disease Name = Erysipelas Caption = Erysipelas DiseasesDB = 4428 ICD10 = ICD10|A|46|0|a|30 ICD9 = ICD9|035 ICDO = OMIM = MedlinePlus = 000618 eMedicineSubj = derm eMedicineTopic = 129 MeshID = D004886Erysipelas (Greek ερυσίπελας red skin… …   Wikipedia

  • Reference ranges for blood tests — Reference ranges edit in: blood urine CSF feces Reference ranges for blood tests are sets of values used by a health professional to interpret a set of …   Wikipedia

  • Complete blood count — Blood count redirects here. For the Billy Strayhorn composition, see Blood Count. Complete blood count Diagnostics Schematics (also sometimes called Fishbones ) of shorthand for complete blood count commonly used by clinicians and healthcare… …   Wikipedia

  • HIV test — Randall L. Tobias, former U.S. Global AIDS Coordinator, being publicly tested for HIV in Ethiopia in an effort to reduce the stigma of being tested.[1] HIV tests are used to detect the presence of the human immunodeficiency virus (HIV), the virus …   Wikipedia

  • ASOT — is abbreviation for: *Antistreptolysin O titre *A State of Trance, a radio show hosted by Armin van Buuren …   Wikipedia

  • Medical test — Intervention X ray of a hand. X rays are a common medical test. MeSH …   Wikipedia

  • Streptolysin — is a streptococcal hemolytic exotoxin. [DorlandsDict|seven/000101361|streptolysin] [MeshName|Streptolysin] An antibody, anti streptolysin O, can be detected in an antistreptolysin O titre.References …   Wikipedia

  • Heterophile antibody test — The test is sensitive for heterophile antibodies produced by the human immune system in response to EBV infection. The monospot test, a form of the heterophile antibody test,[1] is a rapid test for infectious mononucleosis due to Epstein–Barr… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”