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PARAMEDIC SCHOOL > CHP 30: TRAUMA SYSTEMS AND MOIs > Flashcards

CHP 30: TRAUMA SYSTEMS AND MOIs Flashcards

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1
Q

what is mechanical energy and its two types

A

energy from motion

kinetic (object in motion) and potential (non-moving object)

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2
Q

what does barometric energy result from

A

radical sudden changes in pressure

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3
Q

external factors that determine types of injuries

A

force and energy delivered

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4
Q

spreading of impact without breaking skin is called what

A

blunt trauma

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5
Q

what injury to suspect with cracked windshield

A

spinal injury

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6
Q

velocity vs acceleration

A

velocity: speed
acceleration: change in velocity

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7
Q

newton’s first law of motion

A

body at rest will remain at rest unless acted on by outside force

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8
Q

newton’s second law of motion

A

force that an object can exert is equal to its mass x acceleration

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9
Q

5 phases of MVA’s

A

deceleration of vehicle (vehicle hitting another)
deceleration of occupants
deceleration of internal organs
secondary collisions from objects within vehicle
additional impacts (from another vehicle hitting wreck)

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10
Q

which type of MVA accident has the most survivors

A

rear impacts

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11
Q

common airbag injuries

A

chemical burns and abrasions

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12
Q

adult vs child vehicle vs pedestrian

A

adult: lateral and posterior injuries
kids: frontal injuries (freeze and stare at car)

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13
Q

3 MOIs in vehicle vs pedestrian

A

first impact: person with bumper
second: person onto hood or grill
third: body strikes ground

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14
Q

what is the Waddell triad

A

pattern of vehicle vs pedestrian injuries in kids

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15
Q

5, 6, vs 7 story fall

A

5: questionable survivability
6: unlikely survival
7: rarely survivable

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16
Q

how to adults vs kids fall

A

kids: head first and upper extremities from trying to break fall
adults: buttocks and wrists from trying to land on feet

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17
Q

what is the Don Juan syndrome

A

potential injuries from vertical fall to standing position

18
Q

what is Colles fracture

A

fractures of forearm and wrist

19
Q

5 factors of falls

A

height, position, area, surface, physical condition

20
Q

examples of low and high velocity

A

low: knife
high: bullet

21
Q

severity of stab wound depends on what

A

anatomic area involved, depth, blade length, and angle

22
Q

3 primary firearm classifications

A

shotguns, rifles, handguns

23
Q

most critical factor when determining seriousness of gunshot wound

A

type of tissue through which it passes

24
Q

how to differentiate entrance from exit wound

A

entrance: can have powder burns
exit: usually larger and more ragged

25
Q

what is the primary blast injury

A

injuries due to blast pressure wave itself

26
Q

what is the secondary blast injury

A

injuries from missiles being propelled by blast force

27
Q

what is the tertiary blast injury

A

injuries due to impact with another object

28
Q

what is the quaternary blast injury

A

collateral injuries - burns, crush injuries, toxic inhalation

29
Q

what is quinary blast injury

A

long-term damage from biologic, chemical, or radioactive contaminants added to explosive device

30
Q

what on body is effected most by primary blast injury

A

lungs, eardrums, and compressible organs

31
Q

most common cause of death from blast injuries

A

neurologic and head trauma

32
Q

how does pressure waves from explosion effect vitals

A

hypotension and bradycardia from vagal nerve-mediated form of shock

33
Q

what is the platinum 10 minutes

A

on-scene time for trauma patients limited to under 10 mins

34
Q

what is the golden hour

A

hemorrhage control in critically injured patient within 1 hour after traumatic injury

35
Q

two major groups of trauma patients

A

isolated and multisystem

36
Q

what is deviated trachea indicative of

A

tension pneumo

37
Q

what is the trauma score used for and its scale

A

determine likelihood of patient survival
1-16, 16 best possible consisting of GCS score, RR, respiratory expansion, cap refill, and BP

38
Q

what is the revised trauma score and its scale

A

used to assess injury severity in patients with head trauma without multisystem injury
1-12, 12 best possible using GCS score, SBP, and RR

39
Q

what is the trauma lethal triad

A

significant contributor to death in patients with severe traumatic bleeding

hypothermia, coagulopathy, acidosis

40
Q

MOI criteria for transporting to level 1 trauma center

A

fall more than 10 ft, high risk MVC, vehicle vs pedestrian more than 20mph

41
Q

parameters for high-risk MVC

A

12 inches intrusion to occupant side or 18 inches to any part of vehicle, extrication, ejection, unrestrained child, death of occupant in same vehicle

42
Q

contraindications for air transport

A

traumatic cardiac arrest, morbidly obese, barotrauma

PARAMEDIC SCHOOL (74 decks)

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