Terminal learning objective


Figure 7a. Immersion (Trench) Foot



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Figure 7a. Immersion (Trench) Foot

Initially foot is pale, mottled, numb, pulseless, and immobile



- After rewarming, severe burning pain and return of sensation

Signs and Symptoms (LATE 2-7days)


- Limb becomes hyperemic (increased amount of blood flow, skin will be warm and red). Numbness, edema, ulceration, and gangrene may develop.

Treatment

- Treatment is supportive

- Keep feet clean, warm, dry, and bandaged

- Gentle rewarming

- Elevate affected extremity to reduce edema

- Consider antibiotics if there are signs of infection

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