| Hydropneumothorax | |
|---|---|
| A hydropneumothorax with white arrow point to the lung's pleura | |
| Classification and external resources | |
| Specialty | pulmonology, emergency medicine |
| ICD-10 | J94.8, S27.3 |
| ICD-9-CM | 511.8 |
| MeSH | D006872 |
Hydropneumothorax is defined as the presence of both air and fluid within the pleural space surrounding the lung. 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 hemithorax.
This can be remembered by 4 'S'