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28 Cards in this Set
- Front
- Back
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TO PREDICT INJURY PATTERNS USE WHAT?
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THE LEVEL OF SUSPICION
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WHAT IS A CRASH?
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ENERGY EXCHANGED BETWEEN MOVING OBJECT AND THE BODY OR THE BODY AND A STATIONARY OBJECT.
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PRECRASH
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FACTORS PRECEDING THE CRASH, CONDITIONS THAT ARE PRESENT BEFORE THE INCIDENT BUT IMPORTANT TO PT'S MANAGEMENT.
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CRASH PHASE
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THREE IMPACTS OF THE ACTUAL CRASH
1.OBJECT 2.OCCUPANT 3.ORGANS |
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OTHER CRASH PHASE CONSIDERATIONS?
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DIRECTION
AMOUNT OF ENERGY THE EFFECT |
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POST CRASH
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PT CARE PHASE, ALL INFORMATION FROM PRE CRASH AND CRASH ARE USED FOR THE BEST OF THE PT.
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TWO COMPONENTS NEEDED TO UNDERSTAND THE EFFECTS IN A CRASH?
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ENERGY EXCHANGE AND HUMAN ANATOMY
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KINEMATICS?
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THE PROCESS OF SURVEYING THE SCENE TO DETERMINE THE FORCES AND MOTION INVOLVED AND THE RESULTING INJURIES.
BASED ON PHYSICS |
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NEWTON'S FIRST LAW OF MOTION?
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BODY AT REST WILL REMAIN AT REST, BODY IN MOTION WILL REMAIN IN MOTION UNTIL ACTED ON BY AN OUTSIDE FORCE.
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LAW OF CONSERVATION OF ENERGY?
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ENERGY IS NEITHER CREATED OR DESTROYED BUT CHANGES IN FORM.
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KINETIC ENERGY?
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FUNCTION OF AN OBJECTS MASS AND VELOCITY
KE=1/2MV SQUARED |
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WHICH IS MORE IMPORTANT VELOCITY OR MASS?
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VELOCITY!
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STOPPING DISTANCE FORMULA?
LESS INJURY IF WHAT? |
MASS X DECELERATION = FORCE = MASS X DECELERATION
ENERGY CAN CHANGE FORM BEFORE OR ON COLLISION |
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CAVITATION
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THE HOLE CREATED BY THE IMPACT OF ENERGY EXCHANGE
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TEMPORARY VS. PERMANENT CAVITATION
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TEMP: STRETCHING OF THE TISSUES THAT OCCURS AT TIME OF IMPACT, NOT VISIBLE, THEY RETURN TO THEIR PREVIOUS POSITION/
PERM:VISIBLE TISSUE DESTRUCTION |
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TYPE OF INJURY SUSPECTED IN A ROLLOVER?
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MULTIPLES, EJECTION CRUSH
PT 6 TIMES MORE LIKELY TO DIE 75% RESULT IN DEATH |
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MOTORCYCLE HELET LAWS HAVE BEEN ASSOCIATED WITH UP TO _______% FEWER INJURIES AND DEATH?
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300%
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RESTRAINT DEVICES?
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DESIGNED TO SLOW THE OCCUPANT WITH IN THE VEHICLE
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PEDESTRIAN VS. MOTOR VEHICLE
ADULT VS. CHILD? CHILD AT RISK FOR WHAT? WHAT DETERMINES INJURY PATTERNS? |
ADULT INJURIES ASSOCIATED WITH THE HEIGHT OF THE VEHICLE.
CRUSHING HEIGHT AND WEIGHT OF THE VEHICLE |
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IMPORTANT TO KNOW WITH FALLS?
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what hit first
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FALL FROM ____X'S PT THE HEIGHT MAY BE CRITICAL?
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3 X'S
6FT 6X3=18FT CRITICAL |
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HEAD ON COLLISIONS WITH MOTORCYCLES RESULT IN WHAT TYPE OF INJURY?
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BILATERAL FEMUR FRACTURES AND OPEN BOOK PELVIS FRACTURES
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PRIMARY BLAST INJURY?
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BLAST WAVE-PRESSURE WAVE
BIGGEST PNEUMOTHRAX/ EAR DRUM RUPTURE |
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SECONDARY BLAST INURY
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FRAGMENTATION FROM DEBRIS OF BOMB
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TERTIARY BLAST INJURY
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IMPACT WITH THE GROUND
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QUINARY BLAST INJURY
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BIOLOGICAL/CHEMICAL ADDITIVES
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INTIMATE STAB WOUND?
ONE HOLE? |
CLOSE QUARTERS
KEEP LOOKING |
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CONE OF INJURY-STAB WOUND
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LENGTH OF BLADE IN WHAT DIRECTION
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