Emphysema


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Emphysema


Illustration of emphysema

Illustration copyright 2002 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

In emphysema, the tiny air sacs (alveoli) at the end of the airways are damaged. When air sacs are damaged or destroyed, their walls break down and the sacs become larger. These larger air sacs move less oxygen into the blood, which can leave you feeling short of breath. After air sacs are destroyed, they cannot be replaced.

Credits


Primary Medical Reviewer Renée M. Crichlow, MD

- Family Medicine
Primary Medical Reviewer Kathleen Romito, MD

- Family Medicine
Specialist Medical Reviewer Ken Y. Yoneda, MD

- Pulmonology
Last Updated June 16, 2006

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