Beware frostnip!
May 1, 2007 10: 29 EST
Although the temperatures at Everest Base Camp have been relatively “balmy” the past couple of days, there is always the concern of frostbite, particularly among the climbers at camps higher up the mountain. Everyone should pay attention to early signs including frostnip which appears as a patchy blanching of fingers, ear lobes, noses and toes when exposed to cold. The attached picture shows blanching of the toes and a mottled appearance of the soles of the feet. If left unattended, this can progress to frostbite which can cause permanent tissue damage, end a summit bid and leave a person with permanent disability. People particularly at risk include those with previous frostbite, those who are dehydrated, smokers, diabetics and those with poor peripheral circulation such as Raynaud’s disease. Circumstances which increase risk include higher altitudes (with lower oxygen concentration), high winds, wet surfaces and inadequate or tight/restrictive clothing. The aim should always be to prevent rather than to treat frostbite. Always be vigilant for the early signs both in yourself and your climbing partners.
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