What is the role of the group A beta-hemolytic streptococcal (GABHS) rapid antigen detection test in the diagnosis of pharyngitis (sore throat)?

Updated: May 06, 2020
  • Author: John R Acerra, MD; Chief Editor: Jeter (Jay) Pritchard Taylor, III, MD  more...
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Answer

Only patients with a high clinical likelihood of GAS pharyngitis should be tested. Patients with a Centor score of 0-1 should be treated symptomatically without testing. [21]  (On the other hand, in a multicenter, prospective, cross-sectional study, Cohen et al suggested that all children with pharyngitis undergo the rapid antigen detection test for GAS, stating that assessment of signs and symptoms is an inefficient means of determining in which patients the test should be used. [22] )


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