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HEAT and COLD STRESS • Exposure to extreme heat or cold can make a person seriously ill and even cause death. • The likelihood depends on factors such as wind, physical activity, clothing, humidity and age.
HEAT RELATED ILLNESS • Heat Cramps - The least severe, a first signal that the body is having trouble with heat. • Painful muscle spasms in the legs and abdomen. • Think of them as a warning of a possible heat-related illness.
Care for Heat Cramps • Rest in a cool place. • Give them cool water or a commercial sports drink. • Usually rest and fluids is all that is needed. • Lightly stretch and gently massage the muscle.
HEAT RELATED ILLNESS • Heat Exhaustion - More severe than heat cramps. Usually effects people who have to wear heavy clothing in hot and humid work environments. • Cool, moist, pale or flushed skin. • Headache, nausea, dizziness, weakness and exhaustion.
HEAT RELATED ILLNESS • Heat Stroke- The least common but most severe heat related illness. • Usually occurs when people ignore the symptoms of heat exhaustion. • Body systems are overwhelmed by heat and begin to stop functioning. • A serious medical emergency-life threatening.
Symptoms of Heat Stroke • Red, hot, dry skin. • Changes in consciousness. • Rapid, weak pulse. • Shallow breathing.
CARE FOR HEAT ILLNESS • Get victim out of heat. • Loosen tight clothing. • Remove perspiration soaked clothing. • Apply cool, wet cloths to the skin. • Fan the victim. • If conscious, give cool water to drink. • Call an ambulance if they refuse water, vomits or starts to lose consciousness.
COLD RELATED ILLNESS • Frostbite - the freezing of body parts exposed to the cold. • Severity depends on temperature, length of exposure and wind. • Can cause loss of fingers, toes, feet and legs. RAY
Symptoms of Frostbite • Lack of feeling in the affected area. • Skin that appears waxy, cold to the touch, or is discolored.
Care for Frostbite • Handle the area gently. Never rub the area. It could cause tissue damage. • Warm area gently by soaking in luke warm water (no hotter than 105°F). • Keep area in water until it turns red and feels warm. • Loosely bandage with sterile bandages.
Hypothermia • The body cools because its ability to keep warm fails. • The victim will die if not given care. • Signals include: shivering, numbness, glassy stare, apathy and loss of consciousness.
Care for Hypothermia • Remove any wet clothing and dry the body. • Gradually warm the body. • If conscious, give warm liquids to drink. • If unconscious, attend to any life threatening problems. • Call an ambulance.
WORKING AROUND HEAT & COLD STRESS • Clothing • Administrative Controls 1. Breaks 2. Job Rotation 3. Shift Changes • Food and Fluids