Pulmonary Fibrosis
- Created by: hannahx
- Created on: 05-01-13 11:48
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- PULMONARY FIBROSIS
- Scarring of the lung
- air sacs of the lung become replaced by fibrotic tissue
- when the scar forms, the tissue becomes thicker causing an irreversible loss of the tissue's ability to transfer oxygen into the bloodstream
- gaseous exchange involves DIFFUSION, which relies on a thin alveoli lining
- reduced elasticity of the lungs
- exhaling relies partly on the elastic recoil of the lung tissue
- if elasticity is reduced, breathing out becomes difficult
- exhaling relies partly on the elastic recoil of the lung tissue
- SYMPTOMS
- shortness of breath, especially when exercising
- chronic dry cough
- pain and discomfort in the chest
- weakness and fatigue
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