Anomalías alveolares

Definición

Son cambios en los diminutos sacos de aire en los pulmones, llamados alvéolos, los cuales permiten que el oxígeno entre en la sangre. Los alvéolos son muy delgados para permitir que el oxígeno se desplace desde los pulmones hasta los vasos sanguíneos y para que el dióxido de carbono sea extraído de los vasos sanguíneos hasta los pulmones.

Estos sacos de aire pueden colapsar, fusionarse o desarrollar revestimientos (membranas) gruesos, lo cual dificulta la entrada del oxígeno a la sangre.

Figures

Referencias

Albertine KH. Anatomy of the lungs. In: Mason RJ, Broaddus VC, Martin TR, et al, eds. Murray and Nadel's Textbook of Respiratory Medicine. 5th ed. Philadelphia, Pa:Saunders; 2010:chap 1.

Reynolds HY. Respiratory structure and function: mechanisms and testing. In: Goldman L, Ausiello D, eds. Cecil Medicine. Philadelphia, Pa: Saunders Elsevier; 2007:chap 85.

Revision

Last reviewed 6/10/2011 by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Denis Hadjiliadis, MD, Assistant Professor of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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