Hydropneumothorax

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

Hydropneumothorax is defined as the presence of both air and fluid within the pleural space.^[1] 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.