Definition of Pneumomediastinum

1. Noun. The condition of having the presence of air in the mediastinum. ¹



¹ Source: wiktionary.com

Medical Definition of Pneumomediastinum

1. 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 erosion of trachea/oesophagus, pneumoperitoneum, pneumoretroperitoneum, complication: air block (decreased venous return) TRAUMATIC PNEUMOMEDIASTINUM (rare), pulmonary interstitial emphysema (positive pressure ventilation), ruptured bronchus (commonly associated with pneumothorax), ruptured oesophagus (diabetic acidosis, alcoholic, Boerhaave) see also: Hamman sign (12 Dec 1998)

Pneumomediastinum Pictures

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Lexicographical Neighbors of Pneumomediastinum

pneumohemopericardium
pneumohemothorax
pneumohydrometra
pneumohydropericardium
pneumohydroperitoneum
pneumohydrothorax
pneumohypoderma
pneumokoniosis
pneumolith
pneumolithiasis
pneumologies
pneumology
pneumolysis
pneumomalacia
pneumomediastinum (current term)
pneumomediastinums
pneumomelanosis
pneumometer
pneumometers
pneumometry
pneumomycosis
pneumomyelography
pneumon-
pneumonectomies
pneumonectomy
pneumonia
pneumonia dissecans
pneumonia interlobularis purulenta
pneumonia malleosa

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