| adhesive atelectasis | Alveolar collapse in the presence of patent airways, especially when surfactant is inactivated or absent, especially in respiratory distress syndrome of the newborn, acute radiation pneumonitis, or viral pneumonia. (05 Mar 2000) |
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| atelectasis | <chest medicine, radiology> A term used to describe partial or complete collapse of the lung, usually due to an obstruction of a bronchus (with mucus plug, infection or cancer). Atelectasis is commonly seen immediately in the post-operative period in those who have undergone general anaesthesia. Symptoms of atelectasis include low-grade fever, dry cough, chest pains and mild shortness of breath. Mild post-operative atelectasis is treated with deep breathing exercises and respiratory therapy. Atelectasis secondary to carcinoma will often be managed using bronchoscopy. (27 Sep 1997) |
| parenchymal atelectasis | The collapse that occurs when pulmonary air is absorbed and not replaced, thus reducing lung volume. (05 Mar 2000) |
| passive atelectasis | The pulmonary collapse that occurs due to a space-occupying intrathoracic process such as pneumothorax or hydrothorax. (05 Mar 2000) |
| patchy atelectasis | Decreased aeration and collapse of multiple small areas of lung. (05 Mar 2000) |
| resorption atelectasis | The slow partial collapse of a lobe that occurs when communication between alveoli and trachea is obstructed. (05 Mar 2000) |
| round atelectasis | <syndrome> Collapse of part of the lung caught between shrinking fibrous pleura scars, sometimes resulting from pleural asbestosis. Synonym: round atelectasis. (05 Mar 2000) |
| cicatrization atelectasis | The decrease in air per unit lung volume due to fibrosis, causing decreased lung compliance, and increased tissue. (05 Mar 2000) |
| platelike atelectasis | Collapse of the portion of the lung distal to an obstructed subsegmental bronchus, manifested as a linear opacity on a chest radiograph. See: Fleischner lines. Synonym: platelike atelectasis. (05 Mar 2000) |
| primary atelectasis | <chest medicine, paediatrics> A nonexpansion of the lungs after birth is known as primary atelectasis. Secondary atelectasis can occur at any age but is common in infants due to hyaline membrane disease. This form may also be seen in patients after surgery (general anaesthesia). See: atelectasis. (05 Mar 1998) |
| secondary atelectasis | A nonexpansion of the lungs after birth is known as primary atelectasis. Secondary atelectasis can occur at any age but is common in infants due to hyaline membrane disease. This form may also be seen in patients after surgery (general anaesthesia). See: atelectasis. (27 Sep 1997) |
| segmental atelectasis | Partial collapse of one or more individual pulmonary segments. (05 Mar 2000) |
| subsegmental atelectasis | Collapse of the portion of the lung distal to an obstructed subsegmental bronchus, manifested as a linear opacity on a chest radiograph. See: Fleischner lines. Synonym: platelike atelectasis. (05 Mar 2000) |
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