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Pneumoconiose

Pneumoconiose

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Pneumoconiose

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  1. PNEUMOCONIOSIS VINEETHA SUDHEESH

  2. Definition • Types • Pathogenesis • Signs and symptoms • Complications • Diagnosis • Treatment • Prevention

  3. Definition • Fibrosis and scarring of the lungs secondary to repeated inhalation of dust associated with some occupation

  4. Types • Silicosis • Anthracosis • Asbestosis • Byssinosis • Bagassosis • Farmer’s lung

  5. Pathogenesis Dust particles Lungs Inflammation chronic Elastic tissue Fibrous tissue Scarring of lungs

  6. Signs and symptoms • Pulmonary symptoms • Dyspnoea • Cough with expectoration • Chest discomfort • Haemoptysis

  7. General symptoms • Ill health • Restless sleep • Loss of appetite • Loss of weight • Nails pale and bluish

  8. Complications • Lung fibrosis • Lung cancer • Pleurisy • CHF • Cor pulmonale

  9. Diagnosis • History • Exposure • Years of exposure • Protective clothing used or not • Clinical examination

  10. Investigations • Chest X ray • Pulmonary function test • CT scan • Bronchoscopy with lung biopsy

  11. Silicosis

  12. Anthracosis

  13. Asbestosis : pl. calcification

  14. Asbestosis : Mesothelioma

  15. Treatment • Avoid further exposure • Medical treatment • Oxygen inhalation • Immunization • Antibiotics • Surgical treatment • Lung transplantation

  16. Prevention • Dust control • Isolation and enclosure • Hydroblasting • Personal protection • Periodic examination • Legal measures

  17. Thank you

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