Cold injuries: Difference between revisions

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==Clinical Features==
==Clinical Features==
[[File:PMC2873703 eplasty10e35 fig1.png|First degree (frostnip) frostbite]]
<gallery mode="packed">
[[File:PMC3785582 aps-40-510-g001.png|Second degree frostbite]]
[[File:PMC2873703 eplasty10e35 fig1.png|First degree (frostnip) [[frostbite]]
[[File:PMC5286755 IJD-62-59-g009.png|Third degree frostbite]]
[[File:PMC3785582 aps-40-510-g001.png|Second degree [[frostbite]]
[[File:PMC4106255 eplasty14ic20 fig1.png|Fourth degree frostbite]]
[[File:PMC5286755 IJD-62-59-g009.png|Third degree [[frostbite]]
[[File:Cold urticaria3.jpg|thumb|Cold uticaria.]]
[[File:PMC4106255 eplasty14ic20 fig1.png|Fourth degree [[frostbite]]
[[File:Cold urticaria3.jpg|[[Cold uticaria]]
</gallery>


==Differential Diagnosis==
==Differential Diagnosis==

Revision as of 20:42, 3 November 2021

Background

Whid chill chart
  • Frostbite occurs only when ambient temperatures are well below freezing
  • Nonfreezing cold injuries occur due to exposure to cold conditions above freezing

Swiss Hypothermia Staging System[1]

Classification Temperature Signs/Symptoms
I / Mild 32-35°C (90-95°F) Shivering, awake
II / Moderate 28-32°C (82-90°F) Shivering, depressed mental status
III / Severe 20-28°C (68-82°F) unconscious/severely depressed mental status, shivering ceases
IV / Profound <20°C (68°F) unobtainable VS

Clinical Features

Differential Diagnosis

Cold injuries

Management

Disposition

See Also

External Links

References

  1. Brown et al., Accidental Hypothermia. N Engl J Med 2012; 367:1930-1938