Mechanism of Injury and Kinetics of Trauma

Question 1

How much time should you spend on scene?

Answer 1

LESS is BETTER but 10 minutes or less

Question 2

What is the Law of Inertia?

Answer 2

object in motion will stay in motion unless it is struck by another object

Question 3

What aspect is critical in the kinetics of trauma and why?

Answer 3

SPEED! can generate energy that affects the impact

Question 4

What is the “3 Collision Concept”?

Answer 4

vehicle hits another object = body hits inside vehicle = internal organs hit walls of body

Question 5

What is the injury pattern in Head-On Collisions?

Answer 5

head, neck and spinal trauma

Question 6

What is our main worry with Head-On Collisions?

Answer 6

internal damage

Question 7

What is considered definitive care?

Answer 7

surgery or hospital

Question 8

What are the 2 main kinds of mechanisms of injuries?

Answer 8

blunt injuries and penetrating injuries

Question 9

What is the injury pattern in Lateral Impact Collisions (T-Bone)?

Answer 9

the force coming at one direction causes the body to move at a C-shape formation

Question 10

What are the most common body parts to be injured due to a Lateral Impact Collision?

Answer 10

femur and pelvic fractures

Question 11

What occurs with the body during a Rear Impact Collision?

Answer 11

neck can hyperextend due to the whipping of the head/neck

Question 12

What is the injury pattern that tends to occur with Rollover Collisions?

Answer 12

multi-system trauma

Question 13

What is a multisystem trauma?

Answer 13

mix of life-threatening and distracting injuries

Question 14

Why are safety belts important?

Answer 14

ejections can increase chances of death

Question 15

What are “crumple zones”?

Answer 15

parts of the car that are meant to absorb the impact = amount of impact is decreased

Question 16

What should we worry about with airbags?

Answer 16

can deploy even if car is off

Question 17

What should you examine when it comes to Auto vs. Bike Incidents?

Answer 17

the bike, helmet and other signs of damage

Question 18

What are the 3 things to consider during your scene size up when responding to Collision incidents?

Answer 18

determine type of collision | look for evidence of high-energy transfer | maintain a high index of suspicion

Question 19

Where will you take patients that have been involved in a collision?

Answer 19

Trauma center

Question 20

What are the 3 things you need to note when it comes to Fall incidents?

Answer 20

distance or MOI of fall | anatomic area impacted | surface of falls

Question 21

What are the 2 types of penetrating injuries?

Answer 21

gun shot wounds and stab wounds

Question 22

What must you look for in gun shot wounds?

Answer 22

entrance and exit wounds

Question 23

What makes GSW serious?

Answer 23

bullets can bounce off of things in the body (ie: bones) and can change direction

Question 24

What do we do with penetrating injuries due to an impaled object?

Answer 24

stop the bleed | stabilize object in one place (DON’T remove it)

Question 25

How would you dress/stop the bleed of impaled objects?

Answer 25

use bulky dressings

Question 26

What is the exception where we can remove an impaled object?

Answer 26

if it impairs with CPR or obstructs airway/ventilation (stop bleed first)

Question 27

What is the concern with Bombing incidents?

Answer 27

there is often a secondary explosive device