When planning care for a patient with resorption atelectasis, the nurse should keep which of the following principles in mind?
A) Alveolar collapse occurs that is undetected by chest x-ray.
B) Fibrotic changes reduce lung expansion.
C) An accumulation of excess air compresses lung tissue.
D) Excess mucous production is the most common cause of the associated obstruction.
D) Excess mucous production is the most common cause of the associated obstruction.
Explanation: A) A less severe form of atelectasis, microatelectasis involves closure or collapse of the alveoli or respiratory microstructures to a degree that usually is undetectable on a CXR.
B) Contraction atelectasis occurs when fibrotic changes in the lung or the pleura confine the lung and diminish lung expansion.
C) Compression atelectasis occurs when an accumulation of exudates, fluid, air, or blood or a tumor in the pleural space mechanically collapses lung tissue.
D) When airway obstruction occurs, gases trapped in the alveoli located distal to the obstruction may be absorbed by circulating blood without subsequent replacement by inhaled air. Resorption atelectasis can develop as a result. Most often, the associated obstruction is caused by excess mucus secretions.
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