Trauma | Types Part One

Types of Trauma
Penetrating: invasive injury to the body where an opening in the skin is created Blunt: skin remains in-tact, but internal organs may be damaged

  • Compression
  • Sheer (change of speed)

Motor Vehicle Collisions

  • Impact 1: vehicle vs. object
  • Impact 2: body vs. inside of vehicle
  • Impact 3: internal organs vs. solid structures of body

Types of Collisions:

  • Head on: forward motion stops abruptly, occupant keeps moving at speed of car
  • Down and under, or up and over
  • Lateral/Side/T-Bone: lateral stop can mean intrusions – damage pelvis, torso, extremities. lateral slide – damage head, neck, thorax
  • Rear End: difference in speed of the two cars is the damaging velocity
  • Rapid acceleration of front car = back & neck injuries
  • Rotational: common injuries with head on and lateral
  • Rollover: same injuries as lateral, but more chances/places to hit, unrestrained=ejection= very bad
  • Restraints: unrestrained occupants in MVAs are 6 times more likely to die
  • Unrestrained: over and up = aortic rupture, hemopneumo, chest/rib fracture
  • Down and under = knees and/or femur fracture, hip, vascular injury, hemorrhage Lap Belts: most commonly used. Thorax 12, Lumbar 1 and 2 injuries.
  • Diagonals: should be used with lap belts. Look for clavicle injuries
  • Air Bags: cushion forward (or side) motion, can produce significant injuries on their own
  • Child seats: leading cause of death in children under 4 is MVA. Look for abdominal, neck and spinal trauma


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