Week 8: Trauma Flashcards
What is the scene size up?
- safety
- casualties
- event
- needs
- equipment
What is kinetic energy?
Energy of motion
What are the 3 physical principles?
- kinetic energy
- newtons first law of motion
- laws of conservation of energy
What is the law of conservation of energy?
- energy cannot be created or destroyed
- only changed from one form to another
What is newtons first law of motion?
- body in motion stays in motion unless acted on by outside force
- body at rest stays in rest unless acted in by outside force
What are the mechanisms of injury?
- three collisions concept
- motor vehicle collisions
- falls
- penetrating injuries
- blast injuries
How do blunt injuries occur?
by a rapid forwards deceleration or a rapid vertical deceleration or energy transfer from blunt objects
How do penetrating injuries occur?
- projectiles
- knives
- falls upon fixed objects
What are the two types of trauma?
Blunt or penetrating
What are the 5 major types of vehicle collisions?
- head on
- rear end
- lateral
- rotational
- roll over
What is the three collisions concept?
Three impacts occur to:
- vehicle
- occupants
- occupants organs
What 3 factors do fall injuries depend on?
- distance of fall
- anatomic area impacted
- surface hit
How are stab wounds identified?
Damage confined to wound track
What does brain injury result from?
- direct injury to the brain tissue
- external forces applied to outside of skull transmitted to the brain
- movement of brain inside skull
What are types of brain injuries?
- concussion
- cerebral contusion
- diffuse axonal injury