Ballistic injury Dr Rossouw 2013 1

Termal/Wound ballistics What happens in body Hydrodynamic event 2

Mechanism of injury Transfer of kinetic injury Velocity: high or low Secondary tissue damage 3

Mechanism of injury Temporary cavity Permanent wound cavity 4

Shotgun wounds Type of ammo Dispersion Wound 5

Wounds from rifled weapons Handguns Rifles 6

Entrance wounds Central defect Ring of abrasion Smudge ring Ring of contusion Smoke discoloration Tattooing Muzzle imprint 7

Wound tract Tissue injury Mechanical disruption Temporary cavity - elasticity Include blood vessel, nerves 8

Exit wounds Irregular lacerated defects Approximate wound edges Ring of abrasion 9

Atypical entrance wound Usually secondary Larger that primary entrance wound Less ring of abrasions 10

Explosive injuries Compression wave Blast effects 11

Explosive injuries: secondary effects Burns Projectile injuries Peppering by small fragments Injuries due to collapse Injuries due to vehicle damage 12