What does the term "blast injury" refer to?
The general injuries caused by an explosive force
What are the 5 categories of blast injury effects?
-Primary
-Secondary
-Tertiary
-Quaternary
-Quinary
What are primary blasts caused by?
Direct blast effects
What are some injuries of a primary blast injury?
-pulmonary
-tympanic membrane
-hollow viscus injuries
What are secondary blasts caused by?
Projectiles propelled by explosions
What are the MOIs from a secondary blast?
Fragments from the exploding weapon as well as from the environment
What are some injuries of a secondary blast injury?
-fragmentation injuries
-penetrating trauma
What are tertiary blasts caused by?
Body propelled onto a hard surface
What is the MOI from a tertiary blast?
Displacement of body and structural collapse
What are some injuries form a tertiary blast?
-penetrating
-blunt trauma
-crush injuries
What are quaternary blasts caused by?
Heat and combustion flames
What are some injuries from a quaternary blast?
-burns
-inhalation injuries
-asphyxiation
What are quinary blasts caused by?
Additives (chemicals, radiation, etc)
What is the MOI from a quinary blast?
Contamination
What are the 2 casualty categories of battlefield explosions?
Military and Civilian
A large percentage of what demographic of civilians are exposed to explosions?
Those in relatively poor health
What percentage of mortalities involve head injuries?