Which studies should be performed in the diagnosis of systemic group A streptococcal (GAS) infections?

Updated: Sep 07, 2018
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Answer

These studies should be performed in patients with systemic infections. In patients with acute pharyngitis, group A beta-hemolytic streptococcal infection should be ruled out. With appropriate antibiotic treatment, the duration of illness is decreased, suppurative complications are prevented, infectivity is decreased, and serious nonsuppurative sequelae (eg, ARF, PSGN) can be prevented. Interestingly, delaying antimicrobial therapy for a short period does not diminish its efficacy in preventing rheumatic fever. [29]


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