What features are helpful in identifying tension pneumothorax?
Ipsilateral increased intercostal spaces shift of the mediastinum to the contralateral side depression of the hemidiaphragm
Portable chest x-ray of an intubated patient with a large left-sided pneumothorax. The left lung is collapsed with a contralateral shift of the mediastinum and depressed ipsilateral hemidiaphragm consistent with a tension pneumothorax.