Pneumomediastinum (from Greek pneuma - `air`, also known as mediastinal emphysema) is a condition in which air is present in the mediastinum. First described in 1819 by René Laennec, the condition can result from physical trauma or other situations that lead to air escaping from the lungs, airways or bowel into the chest cavity. ==Presentation=.....
Found on
http://en.wikipedia.org/wiki/Pneumomediastinum
<radiology> SPONTANEOUS PNEUMOMEDIASTINUM, common; usually during the 2nd - 3rd decade, aetiology: rupture of marginally situated alveoli from sudden rise in intralveolar pressure: acute asthma, aspiration pneumonia, hyaline membrane disease, measles, giant cell pneumonia, coughing, vomiting, exercise, parturition, diabetic acidosis, tumour e...
Found on
http://www.encyclo.co.uk/local/20973
(noo″mo-me″de-әs-ti´nәm) the presence of air or gas in the mediastinum, which may interfere with respiration and circulation, and may lead to such conditions as pneumothorax or pneumopericardium. It may occur spontaneously or as a result of trauma or a pathologic process, or it may be induc...
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: nū′mō-mē′dē-ă-stī′nŭm Definitions: 1. Abnormal presence of air in mediastinal tissues; multiple causes include pulmonary interstitial emphysema, ruptured bleb, perforation of the cervical or thoracic esophagus or airways, cervicomediastinal infection, and perforated abdo...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=70325
Pneumomediastinum: Free air in the mediastinum (space betweens the lungs) which may give rise to pneumothorax or pneumopericardium and compromise the lungs or heart.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=4960
air leaks into the mediastinum (the space in the thoracic cavity behind the sternum and between the two pleural sacs containing the lungs).
Found on
https://www.stanfordchildrens.org/en/topic/default?id=glossary---pregnancy-
No exact match found.
