Streptococcal pharyngitis

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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

CENTOR: CDC Guidelines for adults >15yrs old

Points
 Treatment
4
 Rx presumptive
3
 Rx Presumptive
2
 Rapid Strep Test^
1
 Do not test/treat
0
 Do not test/treat

3 criteria = 40% PPV

4 criteria = 50% PPV

^No need for cultures after neg rapid test

Antibiotics

  • PCN (erythro if allergic)

See Also

Source

  • Rosen's
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