Pediatric emergency medicine trisk 0915 0915

detectable on examination as fluctuance. Acute bacterial adenitis is most often caused by
group A β-hemolytic Streptococcus or Staphylococcus aureus (including methicillinresistant S. aureus [MRSA]). Prompt initiation of oral antimicrobial therapy that
empirically covers MRSA can prevent progression to a suppurative infection. However,
patients who have failed to improve with oral antimicrobial therapy or those who present
with signs of toxicity require parenteral therapy. Drainage of the suppurative nodes is
sometimes required, even in appropriately treated cases ( Figs. 47.3 and 47.4 ).