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atelectasis |
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atelectasisor lung collapseLack of expansion of pulmonary alveoli (see pulmonary alveolus). With a large-enough collapsed area, the victim stops breathing. In adhesive atelectasis, obstruction or lack of surface tension keeps a newborn's alveoli from expanding. Compression atelectasis is caused by external pressure. Obstructive atelectasis may be caused by blockage of a major airway or when pain from abdominal surgery keeps breathing too shallow to clear bronchial secretions; treatment involves removal of obstruction or fluids, control of infection, and lung reinflation. |
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In addition, although none of the animals receiving rotational therapy showed any abnormalities on radiological images, 6 of the 7 control animals had patchy atelectasis apparent on a chest radiograph. Chronic eustachian tube dysfunction often causes tympanic membrane retraction and atelectasis. This was supported by claims that the benefits of early extubation included improved ciliary function and mucus transport, reduced risk of respiratory infection, lower incidence of atelectasis, improved intrapulmonary shunting, and better cardiovascular function. |
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atelectasis
