IM Radiology Case - Pneumomediastinum Flashcards
1
Q
Possible etiologies of pneumomediastinum?
A
Trauma: tracheal rupture, esophageal rupture, pulmonary barotrauma (scuba diver)
Spontaneous: asthma or conditions leading to alveolar rupture, crack cocaine
Pneumoperitoneum tracking up mediastinum
2
Q
CXR findings - pneumomediastinum?
A
Radiolucent streaks of free air tracking along mediastinal structures
Air in the retrosternal space