Not Now. Established in 1989, the Clearwater Volunteer Fire Department serves the Clearwater (Tennessee) community and surrounding area with support. 1,185 people like this and 1,166 people follow this.
Pathologic changes in chronic obstructive pulmonary disease (COPD) occur in the large (central) airways, the small (peripheral) bronchioles, and the lung parenchyma. Most cases of COPD are the result of exposure to noxious stimuli, most often cigarette smoke.
Pulmonary fibrosis refers to scarring of the lung tissue (fibrosis of the lungs). Symptoms of pulmonary fibrosis include: Cough. Shortness of breath or difficulty breathing. Decreased exercise tolerance. The most common type of pulmonary fibrosis is called idiopathic pulmonary fibrosis; its cause is not understood.