Pathophysiology Of Emphysema

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Definition

Emphysema is a lung disease that involves damage to the air sacs (alveoli) in the lungs. The air sacs are unable to completely deflate, and are therefore unable to fill with fresh air to ensure adequate oxygen supply to the body.


Causes, incidence, and risk factors

Cigarette smoking is the most common cause of emphysema. Tobacco smoke and other pollutants are thought to cause the release of chemicals from within the lungs that damage the walls of the air sacs. This damage...

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