How is the petechial rash of fat embolism syndrome (FES) characterized?

Updated: Mar 27, 2020
  • Author: Constantine S Bulauitan, MD; Chief Editor: Vincent Lopez Rowe, MD  more...
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Alert clinicians may notice reddish-brown nonpalpable petechiae developing over the upper body, particularly in the axillae, within 24-36 hours of insult or injury. These petechiae occur in 20-50% of patients and resolve quickly, but they are virtually diagnostic in the right clinical setting. Subconjunctival and oral hemorrhages and petechiae can also appear. [9]

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