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.
Which pulmonary blood vessels are affected (where the pulmonary vascular disease is) How much of the pulmonary vascular system is affected For example, a sudden, large pulmonary embolism blocking a large pulmonary artery can cause severe shortness of breath and chest pain.