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​Outdoor Safety
The more you know, the safer you are.

How to Treat Frostbite When You Are Far Away From Help

2/14/2018

1 Comment

 
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Frostbite is the freezing of the skin and underlying tissue, which causes damage that can lead to tissue death and maybe amputation. Ice crystals literally form within the body tissue, irreversibly destroying cells. Frostbite does not appear as black or purple lesions on the skin, or at least not at first. Frozen flesh will be pale and stiff, and there may be a few blisters. It’s after thawing when the frostbite areas will turn red or purple. Black is a sign of tissue death. Learn more about the signs and symptoms of frostbite here.

Injuries from frostbite are extremely painful, and recovery or amputation depends on the degree of frostbite damage. Read this post to learn more about the classifications of frostbite.

Prevention is always better than treatment, especially in the case of frostbite. Treatment is very particular for frostbite. It is not a simple as rubbing your hands together to warm them up. In fact, you should never rub a frostbite area.

There are definitely times when you should thaw, and when you shouldn’t thaw. And there are different but very particular methods to use when thawing frostbite.  But exactly when and how should one do this in the backcountry far away from help? We make it clear in this post and in our online outdoor safety course.  ​

Are you ready to handle an emergency in the wilderness far away from help? We will get you ready, all online, at your own pace, and for only $35. 

Here’s a quick look at frostbite treatment in the wilderness:
  • Evaluate and determine if injury should/can be thawed
  • If thawing, determine if it will be via Active or Passive thawing
  • Perform appropriate thawing technique
  • Do not rupture blisters
  • Apply aloe vera gel, if available
  • Dress site loosely in clean, bulky gauze
  • Protect from further damage and refreezing
  • Elevate affected area
  • Encourage the victim to drink fluids
  • Ibuprofen for pain as instructed on medication label

When treating frostbite in the field, a decision will have to be made whether or not to thaw the frozen tissue.
  • If the likelihood of refreezing is high, then it is best to not thaw and wait until thawing can be maintained. Refreezing of tissue will increase damage significantly. Frozen tissue should be protected from further damage such as rubbing, trauma, or excessive use. The injury can be padded and loosely wrapped in clean bulky gauze and even splinted for protection.
 
  • If likelihood of refreezing is low, then the tissues should be thawed. This can be done either actively or passively as described below.  
Active thawing, also known as rapid rewarming, is the preferred method of thawing, but if you do not have the means to do this, then passive thawing is the next option.

  • Active Thawing - This should only be performed if the possibility of refreezing is low, if the equipment and resources to maintain thawed tissue are available. And if the hospital is more than 2 hours away. You will need equipment to heat water, like a camp stove. Submerge the frostbite site in heated water. The water temperature should be between 37C to 39C. Careful attention will be needed to maintain this temperature range. A thermometer is useful in this situation, but if one is not available then test the water temperature for 30 sec with your own hand. This entire process may take up to 30 minutes. Thawed tissue will be soft, pliable and red or purple in color. Air dry, do not rub. Wrap loosely in clean gauze.

  • Passive Thawing - Passive thawing is simply allowing the frozen tissue to thaw on it’s own. This will be slower and all other treatments remain the same.

Do not rupture any blisters and if available, aloe vera ointment can be applied. Elevate affected area, and encourage hydration. The victim can Ibuprofen as directed in the medication label for pain control. Always assess and treat for hypothermia in all frostbite patients. Hypothermia treatment takes priority over frostbite treatment. Learn about how to treat and prevent hypothermia here.

Click here to see a video of how to thaw frostbite. 

As a general rule, any threat to life or limb is a good reason to get out the the backcountry. All frostbite victims should be evacuated in a timely manner or serious loss of function and even amputation may result. As stated above, prevention is always better than treatment. Learn how to prevent frostbite in this post.

Get smart to stay safe on your wilderness adventures. All the above information and more is available to you in our online outdoor safety course It’s only $35 for lifetime access.

Other Blog Posts You May Like:
​

-How To Prevent Frostbite
-Avalanche Rescue Advice and Guidelines 
-Do You Know the Avalanche Climate of Your Area?

1 Comment
viagrageneriquepharmacie link
5/7/2018 07:52:15 am

The best way is to avoid frostbite. Without specialized care, frostbite can cause gongrene and as a result amputation!

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