Streptococcal pharyngitis

Revision as of 11:40, 21 November 2011 by Jswartz (talk | contribs)

Background

  • Likelihood of streptococcal pharyngitis in pts presenting with sore throat

Centor Criteria

  1. History of fever
  2. Absence of cough
  3. Lymphadenopathy
  4. Tonsillar exudate

DDx

  1. Viral pharyngitis
  2. PTA
  3. Retropharyngeal abscess
  4. GC pharyngitis

Treatment

Points
 Treatment
4
 Rx without testing
3
 Rx without testing
2
 Rapid Strep Test^
1
 Do not test/treat
0
 Do not test/treat
  • 4 criteria = 50% PPV
  • 3 criteria = 40% PPV
  • 0 criteria - 80% NPV

^No need for cultures after neg rapid test

Antibiotics

  • PCN (erythro if allergic)

See Also

Source

  • Rosen's
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