Difference between revisions of "Trench foot"

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==Differential Diagnosis==
 
==Differential Diagnosis==
 
{{Foot diagnoses}}
 
{{Foot diagnoses}}
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{{Cold injuries DDX}}
  
 
==Diagnosis==
 
==Diagnosis==

Revision as of 12:09, 18 July 2015

Background

  • Develops slowly over hours-days when foot is exposed to cold/wet conditions
  • Reversible injury may progress to irreversible injury

Clinical Features

  • Tingling/numbness is initial symptom
  • Foot appears pale, mottled, anesthetic, pulseless, and immobile
    • Initially does not change after rewarming
  • Hyperemic phase begins w/in hr after rewarming
    • Assoc w/ severe burning pain and reappearance of proximal sensation
  • As perfusion returns to foot over 2-3d edema and possibly bullae may form
  • Anesthesia persists for weeks and may be permanent; gangrene may occur

Differential Diagnosis

Foot diagnoses

Acute

Subacute/Chronic

Cold injuries

Diagnosis

  • Usually clinical

Treatment

  • Keep feet clean, warm, dryly bandaged, elevated
  • Monitor for signs of infection

See Also

References