Scarlet fever causes: Difference between revisions
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==Overview== | ==Overview== | ||
==Cause== | |||
[[Streptococcus pyogenes]] (group A strep) is responsible for scarlet fever. It can also cause simple angina, erysipelas and serious toxin-mediated syndromes like [[necrotizing fasciitis]] and the so-called streptococal toxic shock-like syndrome. The virulence of group A strep seems to be increasing lately. The exanthem of scarlatina is thought to be due to erythrogenic toxin production by specific streptococcal strains in a nonimmune patient. Along with erythrogenic toxins, the Group A strep produces several toxins and enzymes. Two of the most important are the streptolysins O and S. Streptolysin O, an hemolytic, thermolabile and immunogenic toxin, is the base of an assay for scarlatina and erysipelas - the [[anti-streptolysin O titer]]. | |||
==References== | ==References== | ||
Revision as of 21:35, 1 February 2012
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Scarlet fever Microchapters |
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Scarlet fever causes On the Web |
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American Roentgen Ray Society Images of Scarlet fever causes |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Cause
Streptococcus pyogenes (group A strep) is responsible for scarlet fever. It can also cause simple angina, erysipelas and serious toxin-mediated syndromes like necrotizing fasciitis and the so-called streptococal toxic shock-like syndrome. The virulence of group A strep seems to be increasing lately. The exanthem of scarlatina is thought to be due to erythrogenic toxin production by specific streptococcal strains in a nonimmune patient. Along with erythrogenic toxins, the Group A strep produces several toxins and enzymes. Two of the most important are the streptolysins O and S. Streptolysin O, an hemolytic, thermolabile and immunogenic toxin, is the base of an assay for scarlatina and erysipelas - the anti-streptolysin O titer.