What does pneumo thorax mean?

Pneumothorax. This is when air gets between the thin membrane surrounding your lungs, the pleura It causes the lung to collapse.The amount lung collapses is dependent on how much air gets in. Can happen spontaneously in healthy thin young adults or can be due to trauma or lung disease. Diving and flying can also cause it. if small no treatment needed, just watch. Larger ones require a chest tube.