Supportive evidence - erythema marginatum, Biology

Assignment Help:

Minor Criteria

These are arthralgia, fever, prolonged PR interval, raised ESR and C-reactive protein levels. In some cases abdominal pain and epistaxis may occur. Other non specific laboratory findings are leucocytosis and anaemia.

Supportive Evidence

One must always look for supportive evidence for antecedent GAS infection in form of positive throat culture, rising ASO titres, and rapid streptococcal antigen tests.  Various antibody tests carried out are anti-streptolysin O, anti-deoxyribonuclease B (ADNaseB), anti-nicotinamide adenosine dinucleotidase (ANA Dase), anti-hyaluronidase and anti-streptokinase.

When two serum samples taken at 2-4 weeks intervals show a two-fold rise, antibody tests are considered positive. The ASO titres of > 250 Todd units in adults and > 333 Todd Units in children are considered positive. The ASO titres may take upto 4-6 months to return to normal, hence by the time chorea or carditis develops after ARF, ASO titres may have returned to normal. In such situation, one may rely on ADNase B levels, as it remains elevated even beyond 6 months after ARF. Diagnosis of ARF is confirmed if 2 major or one major and 2 minor Jones criteria are present along with a supporting evidence of GAS pharyngitis.


Related Discussions:- Supportive evidence - erythema marginatum

Determine when the homologous chromosomes occur, In which period of meiosis...

In which period of meiosis does the pairing of homologous chromosomes occur? The pairing of homologous chromosomes is an essential step for meiosis because the rightness of the

What are the classes of lipoproteins in the blood, Q. What are the classes ...

Q. What are the classes of lipoproteins in the blood? Blood lipids (cholesterol, triglycerides and phospholipids) being insoluble in blood need a ship to travel in our body; it

Mode of nutrition , What is the mode of nutrition in fish,human,amoeba,scor...

What is the mode of nutrition in fish,human,amoeba,scorpian & toad

Evolution, write similaritie between the two species?

write similaritie between the two species?

Physical and chemical factors that affect the pasteurization, Define the Ph...

Define the Physical and Chemical Factors That Affect the Pasteurization? There are a few other physical and chemical factors that affect the pasteurization method. These involv

How can prevent symptoms associated with food intolerance, How can Prevent ...

How can Prevent the Symptoms Associated With Food Intolerance? Taking a few simple steps can help prevent the symptoms associated with food intolerance. These steps include:

Blood flow during exercise - circulation, Normal 0 false fals...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

What is contact osteogenesis, Contact Osteogenesis In this the osteoge...

Contact Osteogenesis In this the osteogenic cells attach to the implant surface and the new (de novo) bone is formed on the implant surface first. The developing bone matrix c

Consequence of over population, CONSEQUENC E OF OVER POPULATION - With...

CONSEQUENC E OF OVER POPULATION - With increase in population the available natural resources will fall short of requirements. A severe competition will ensure creating soc

Ganong''s potometer, What happens to the movement of the air bubble if the ...

What happens to the movement of the air bubble if the apparatus is kept in i. In the dark ii. In sunlight iii.In front of a fan

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd