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• 103.3.1 Frostbite <br /> Local tissue damage caused by exposure to low temperature environmental <br /> conditions is included in the generic term frostbite. There are several degrees of <br /> damage and severe occurrence may lead to deep tissue damage, gangrene and <br /> loss of the affected parts. Frostbite of the extremities can be categorized into: <br /> • Frost nip or incident frostbite - the condition is characterized by sudden <br /> blanching or whitening of skin. <br /> • Superficial frostbite - skin has a waxy or white appearance and is firm to <br /> the touch, but tissue beneath is resilient. <br /> • Deep frostbite - tissues are cold, pale, and solid; extremely serious injury. <br /> 103.3.1 Hypothermia <br /> Hypothermia is the lowering of the bodies core temperature due to exposure to <br /> cold. Authorities agree that there are degrees of hypothermia which are <br /> characterized as "moderate" and "severe." A victim of moderate hypothermia may <br /> • exhibit the first seven signs listed below, is still conscious but often confused. <br /> Severe hypothermia is determined by extreme skin coldness, loss of <br /> consciousness, faint pulse and shallow, infrequent or apparently absent <br /> respiration. Severe hypothermia may result in death of the victim. Practically, the <br /> onset of severe shivering signals danger to personnel and exposure to cold shall <br /> be immediately terminated for any severely shivering worker. <br /> Signs of Hypothermia are as follows: <br /> I. Severe shivering <br /> 2. Abnormal behavior <br /> 3. Slowing <br /> 4. Stumbling <br /> 5. Weakness <br /> 6. Repeated falling <br /> 7. Inability to walk <br /> 8. Collapse <br /> 9. Stupor <br /> 10. Unconsciousness <br /> • <br /> 2 <br />