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Characterization of COPD. The lungs are composed of two major structural air conducting components: air passages and air sacs. In COPD there can be damage to either the air passages (airway disease) or air sacs (emphysema). Some patients have airway disease, some emphysema, and some a little of both.Do chest X rays show COPD?
If your doctor suspects you have chronic obstructive pulmonary disease (COPD), you will be likely be asked to have a chest X-ray. A chest X-ray is a simple, non-invasive imaging technique that uses electromagnetic waves to create a one-dimensional picture of your heart, lungs, and diaphragm.How does COPD affect the lungs?
Your lungs rely on the natural elasticity of the bronchial tubes and air sacs to force air out of your body. COPD causes them to lose their elasticity and overexpand, which leaves some air trapped in your lungs when you exhale. In emphysema, the inner walls of the lungs' air sacs (alveoli) are damaged, causing them to eventually rupture.