Hydropneumothorax

Hydropneumothorax
A hydropneumothorax with a white arrow pointing to the lung's pleura
SpecialtyEmergency medicine

Hydropneumothorax is defined as the presence of both air and fluid within the pleural space. An upright chest x-ray will show air fluid levels. The horizontal fluid level is usually well defined and extends across the whole length of one of the hemithorax.