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18 Cards in this Set
- Front
- Back
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3 Concepts of Energy
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-potential energy
-kinetic energy -work |
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Potential Energy
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Stored energy; product of mass, force of gravity, and height
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Kinetic Energy
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energy of motion
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work
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a force exerted upon an object to cause that object ot be displaced
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mechanism of injury (MOI)
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factors and forces that cause traumatic injuries
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Significant mechanisms of injury
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ejection from vehicle, death of another passenger, roll over of vehicle, hi-speed crash (45mph+), motorcycle crash, vehicle vs pedestrian, penetrating trauma of the head/chest/abdomen/neck, fall over 20' or 3 x patients height
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additional significant MOI for children
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falls over 10'-20' or 3 x pts height; medium peed vehicle crash (25mph+), bicycle crash
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Types of Trauma
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Blunt or Penetrating
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Types of penetrating trauma are:
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low-energy, medium energy, high-energy
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Types of Low energy penetrating trauma
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knives, arrows, flying objects, ice picks
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Types of medium energy penetrating trauma
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handguns, shotguns, lo pwered rifles
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coup brain injury
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even after forward motion of the skull has stopped, the brain continues forward inside the skull towards the point of impact, causing injury
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contracoup brain injury
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a specific area of brain injury located directly opposite to the sire of impact to the head that resultsfrom linear violent collisions of the brain with the skull
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3 Phases of a Vehicle Collision
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1. vehicular collision
2. body collision 3. organ collision |
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Types of MVC Crashes
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frontal (head on), lateral (t-bone), rear end, rotational, rollovers
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Items to consider in frontal collisions
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airbag deployment, seat belt usage, supplemental restraint, check for contact points in dash, instrument pane, and windows, steering wheel
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Responding to a fall
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how far, type of surface did the pt land on, any protective gear, pt secured by any type of rope, rope injury, environment, any objects or situations that my endanger rescuers, part of body that impacted first, underlying medical problem
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phases of an explosion
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primary (pressure wave injuries), secondary (injuries from flying debris), tertiary ( injuries from being thrown by the blast and landing against something), and quatemary and quinary
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