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HEAT STRESS

HEAT STRESS. U.S. HEAT STROKE STATS. At least 300 deaths/year 7421 deaths from 1979-1998 1700 deaths in 1980 alone 21 high school and college football player deaths since 1995 . “TOO DANG HOT RESULTS”. Excessive sweat loss results in dehydration The body loses its ability to cool

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HEAT STRESS

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  1. HEAT STRESS

  2. U.S. HEAT STROKE STATS • At least 300 deaths/year • 7421 deaths from 1979-1998 • 1700 deaths in 1980 alone • 21 high school and college football player deaths since 1995

  3. “TOO DANG HOT RESULTS” • Excessive sweat loss results in dehydration • The body loses its ability to cool • Increased blood flow to skin causes decrease in organ function

  4. HEAT-RELATED ILLNESSES • HEAT RASH • HEAT CRAMPS • HEAT EXHAUSTION • HEAT STROKE

  5. HEAT RASH • Caused by skin being constantly wet from sweat and plugging sweat glands • Tiny raised red blistery rash • Keep areas dry and clean

  6. HEAT CRAMPS • Caused by excessive loss of electrolytes • Early warning sign of heat stress • Painful cramps usually in legs or abdomen • Stop activity, hydrate, rest in cool place • Get medical attention if condition continues

  7. HEAT EXHAUSTION • The body’s response to excessive water and electrolyte loss • Stop activity and seek treatment immediately

  8. HEAT STROKE • The body’s cooling mechanism shuts down • Over 20% that reach the heat stroke stage die even with medical attention

  9. SYMPTOMS HEAT EXHAUSTION • Skin is pale • Excessive sweating • May faint but usually conscious • Headache • Nausea and vomiting • Blurred vision • Dizziness HEAT STROKE • Skin is red • No sweating • Unconscious or incoherent

  10. TREATMENT HEAT EXHAUSTION • Call 911 • Rest in cool place • Loosen and remove unnecessary clothing • Shower or sponge with cool water HEAT STROKE • Call 911 • Immediate, aggressive, effective cooling • DO NOT give anything by mouth • Transport to hospital

  11. HUMAN RISK FACTORS • Poor nutrition • Poor physical condition • High and low % body fat • Previous heat illness • Lack of acclimatization • Over 40 • Illness (diabetes, asthma) • Pregnancy • Diet plans

  12. ENVIRONMENTAL RISK FACTORS • Air temperature • Direct sunlight • Radiant heat • Humidity • Little air movement

  13. JOB RISK FACTORS • Work intensity • Work duration • Location (roof, road, enclosure) • Clothing (weight, impermeability) • Respiratory protection

  14. WORKER RESPONSIBILITY • Be watchful for symptoms (self and others) • Properly hydrate (before, during, after) • Get adequate rest • Avoid alcohol, unnecessary medication, and caffeine

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