What type of pressure does the chest cavity always have
Negative
Hemothorax
Blood filling the thorax/chest cavity
Flail chest
2 or more consecutive broken ribs broken on two or more places
Self splint
Body hardening up to splint a fracture
Shutter valve on occlusive dressing
Allows air to escape the lungs
Beck triad
Narrowing blood pressure, muffled heart sounds, JVD
Evescaration
Organs coming through the skin
Hemopneumothoraxes
Blood and air getting in the lungs