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General Surgery · Trauma and burns: frostbite rewarming
Sample itemA mountaineer arrives with frozen, white, hard toes that are not at risk of refreezing. What is the correct treatment?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Rapid rewarming in 38 to 42 C water with analgesia
Frostbite is treated by rapid rewarming in circulating warm water (about 38 to 42 C) for 15 to 30 minutes, with analgesia and tetanus cover. Rubbing causes mechanical injury, dry heat burns insensate skin, and refreezing is more damaging than delayed thawing. Iloprost or thrombolysis may be used in severe cases.
Option by option
A. Rubbing the toes with snow
Rubbing damages tissue.
B. Dry heat from a fire
Dry heat burns insensate skin.
C. Rewarm then allow to refreeze
Refreezing worsens injury.
D. Rapid rewarming in 38 to 42 C water with analgesia (correct)
Correct. Warm water immersion is standard.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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