Assertion: tension pneumothorax | /r/CapableOf | act like a one-way valve
Facets:
value: from lung parenchyma
type: LOCATION
value: from the thoracic wall
type: LOCATION
Source sentences:
text: Tension pneumothorax results when air leakage, whether from the thoracic wall or lung parenchyma, acts like a one-way valve, allowing entry of air into the pleural cavity but not permitting its escape.