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What causes atelectasis?

In: Health, Conditions and Diseases, Pneumonia [Edit categories]

Answer:

Atelectasis is a collapsed or airless condition of the lung which may be caused by obstruction of one or more airways with mucus plugs; by hypoventilation secondary to pain or to ventilation with inadequate tidal volumes; by inadequate surfactant production; or by compression of the lung externally or the lung or bronchi by tumors, aneurysms, or enlarged lymph nodes. It is sometimes a complication following abdominal or thoracic surgery, caused by splinting. Thoracic and high abdominal surgery poses extra risks, because of the location of the incision. It occurs in pateints with chronic obstructive pulmonary disease, bronchiectasis, or cystic fibrosis, and also in those who smoke tobacco heavily. Chronic atelectasis, called middle lobe syndrome, results from compression of the middle lobe bronchus by surrounding lymph nodes.

First answer by Cher1058. Last edit by Cher1058. Contributor trust: 99 [recommend contributor ]. Question popularity: 0 [recommend question].

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