Figure 7

Stratosphere sign of a pneumothorax; 2-D image above indicates line of interrogation of pleural interface. The corresponding time motion mode image fails to reveal any underlying pleural movement consistent with a pneumothorax.
Stratosphere sign of a pneumothorax; 2-D image above indicates line of interrogation of pleural interface. The corresponding time motion mode image fails to reveal any underlying pleural movement consistent with a pneumothorax.