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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. atelectasis [‚ad·əl′ek·stə·səs] (medicine) Total or partial collapsed state of the lung. Failure of the lung to expand at birth. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| 5% vs al (48) 50%), delayed onset of pneumonia (29 vs 12 days) Ahrens et al (61) Turned every 2 hours Pneumonia less (14% vs 33%), lobar atelectasis less (16% vs 31%) Abbreviations: ICU, intensive care unit; ISS, injury severity score; NR, not reported. They demonstrated that physical therapy consisting of modified postural drainage (without head-down tilt), manual hyperinflation, and suction (or, for patients who were not intubated, modified postural drainage, deep breathing, coughing, and huffing, interspersed with relaxed breathing) led to greater radiographically visible resolution of lobar atelectasis compared with physical therapy that did not include modified postural drainage or physical therapy that also included chest wall vibration. Patients were treated by the physical therapist more than once per day if they had at least one of the following signs: radiological evidence of lobar atelectasis, marked hypoxia, bilateral or extensive |
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