Diapositive 1

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Single Page Lesson Heat Stress

• What is Heat Stress? Working in a hot environment
  puts stress on the bodys
• cooling system. Exposure to heat combined with
  other stresses like hard physical
• work, fluid loss, fatigue and/or some medical
  conditions can lead to heat-related
• illness, disability, or even death.
• The human body has a control mechanism to help
  keep the inner core temperature at
• 37C (98.6F). If the bodys core temperature
  rises, the bodys cooling mechanisms
• will react in the following ways
• Blood flow to skin increases
• Sweating increases
• Heart rate increases
• Core temperature drops and stabilizes to a safe
  level
• Heat Stress Disorders There are various
  disorders that can occur due to heat
• stress.
• Sunburn (mild to severe)
• Heat Rash (prickly heat)
• Heat Cramps (muscle craps in arms, legs, or
  stomach)

• Managing Heat Stress If working in hot
  environments precautions should be taken to
  protect yourself against heat stress.
• Increase the frequency and length of rest breaks
• Schedule hot jobs at cooler times (night shift,
  morning, etc.)
• Frequent water consumption drink 1 cup of cool
  water every 20 min
• Wear light, breathable clothing to allow for air
  flow over the skin and circulation
• Be aware of youre bodys reaction to the
  environment If feeling dizzy, fatigued,
  nauseated, overcome or experience any unusual
  bodily reaction
• Stop work and report to Occupational Health
  immediately.