War Surgey (short history), (Warning: GRAPHIC)

Blast injury subtypes: primary injury (concussion-type injury to middle ear, bowel, and plural cavity, and lungs, and is immediately at blast locus); secondary injury (shrapnel acceleration injuries); tertiary injury (victim acceleration toward fixed object or structure); and quaternary injury (structural collapse on victim).
Other: blunt, penetrating, thermal, and fragmentation trauma are additional subtypes [i].