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Slide 8
    TEXT VERSION OF SLIDE:

    Title: Symptoms and Signs of Chronic Silicosis
    Content:

    NOTE: There may be no symptoms in the early stages

    • As the disease progresses
      - Cough
      - Breathlessness
      - Weakness
    • Significant X-ray changes after 15-20 years of exposure
    [Includes illustration of a doctor and the OSHA logo]

    Speaker Notes:

    Cough
      Initial stages: Dry or non-productive cough when exposed to the irritant
      Advanced stages: Cough that is prolonged and distressing, with sputum production
    Breathlessness
      Initially only while exercising
      Later shortness of breath during normal activity
      Wheezing if chronic obstructive bronchitis or asthma are also present
      Pneumothorax and respiratory failure in advanced states
    Significant X-ray changes after 15-20 years of exposure