patchy atelectasis

patch·y at·el·ec·ta·sis

decreased aeration and collapse of multiple small areas of the lung.
References in periodicals archive ?
Visual inspection of the airway may be warranted before extubation in those patients with telltale signs of retained central airway secretions on the ventilator's pressure or flow tracings, high measured values for airway resistance, or unexplained patchy atelectasis by x-ray.
On postoperative day 3, patchy atelectasis of the right lung was noted on chest roentgenography.
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.