<unk>  lung is the most common fatal primary<unk>  (PBI)
Pulmonary contusion
Pneumomediastinum due to alveolar rupture - pneumothorax, subcutaneous emphysema, pneumopericardium, pneumoretroperitoneum, pneumoperitoneum, air embolus
Thrombosis, DIC, ARDS
TM rupture most common - not a marker of PBI severity or prognosis
Hemotympanum
Ossicle injury
Direct ophthalmic injury, foreign bodies, or ophthalmic artery air embolus
Cardiovascular collapse (within seconds)
Hypotension due to impaired reflex that increases SVR
Transmission of disease due to penetrating trauma is rare but possible with HIV, HCV, HBV
Amputations
Burns
> 10% TBSA burn
Skull, facial fracture
Penetrating injury to head or thorax
Traumatic amputations
Blast injury
Radiation exposure 
Submersion injury
Dirty bomb
Cervical injury 
Bioterrorism
Stingray injury
Chemical weapons