1. Ballistic injury • Dr Rossouw • 2013 1

2. Termal/Wound ballistics • What happens in body • Hydrodynamic event 2

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

4. Mechanism of injury • Temporary cavity • Permanent wound cavity 4

5. Shotgun wounds • Type of ammo • Dispersion • Wound 5

6. Wounds from rifled weapons • Handguns • Rifles 6

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

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

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

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

11. Explosive injuries • Compression wave • Blast effects 11

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