Definitions for atelectasisˌæt lˈɛk tə sɪs
This page provides all possible meanings and translations of the word atelectasis
collapse of an expanded lung (especially in infants); also failure of pulmonary alveoli to expand at birth
The collapse of a part of or the whole lung caused by inner factors rather than a pneumothorax.
Origin: From Greek ἀτελής 'incomplete' + ἔκτασις 'extension', from ἔκτείνειν 'extend', from ἐξ 'out' + τείνειν 'stretch'.
Atelectasis is defined as the collapse or closure of the lung resulting in reduced or absent gas exchange . It may affect part or all of one lung. It is a condition where the alveoli are deflated, as distinct from pulmonary consolidation. It is a very common finding in chest x-rays and other radiological studies. It may be caused by normal exhalation or by several medical conditions. Although frequently described as a collapse of lung tissue, atelectasis is not synonymous with a pneumothorax, which is a more specific condition that features atelectasis. Acute atelectasis may occur as a post-operative complication or as a result of surfactant deficiency. In premature neonates, this leads to infant respiratory distress syndrome.
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