X-rays Flashcards

1
Q

The darker an object is on x-ray the ? it is

A

less dense it is

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2
Q

The lighter an object is on x-ray the it is?

A

denser the object

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3
Q

Lighter objects are seen usually as ?

A

bones

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4
Q

Air=

A

black because air is less dense

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5
Q

Fat=

A

a lighter black but still less dense

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6
Q

soft tissue=

A

a dark grey a little denser

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7
Q

bone= grey

A

denser

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8
Q

Metal= grey

A

most dense and lightest

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9
Q

what exposure happens with an x-ray?

A

radiation exposure

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10
Q

who should not receive an x-ray?

A

pregnant women because there is risk to the fetus

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11
Q

what radiation dose would cause n/v?

A

1,000

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12
Q

What is the worldwide radiation per year?

A

2.5

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13
Q

What is the radiation dose for 1 CI scan?

A

6.9

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14
Q

Always get 2 views for an x-ray

A

1 view is no view

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15
Q

When assessing an x-ray: what do you need to assess?

A
  1. Make sure it is the correct patients x-ray
  2. Check date- is it the current date?
  3. Is it the correct body part?
  4. Is it an L or an R to indicate what side of the x-ray it is of
  5. assess exposure is the x-ray too light or too dark?
  6. is it under or over exposed
  7. if patients move= it will result in a blurry x-ray
  8. make sure you can see the entire body part that you are assessing

under exposed= too light hard to assess for fractures
over exposed= too dark makes it difficult to assess the soft tissues

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16
Q

open fracture

A

underlying skin is not intact

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17
Q

closed fracture

A

the skin is intact

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18
Q

displaced fracture

A

fragments are not in the right spots

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19
Q

nondisplaced fracture

A

bone parts will be in will align anatomically

20
Q

medical vs. lateral displacement is referred to as the

A

angulation

21
Q

orientation

A

transverse fractures are the most common

22
Q

transverse fractures

A

the fracture line travels perpendicular to the long axis of the bone

opposite the direction of the bone

23
Q

What usually causes a transverse fracture?

A

Falls or car accidents
direct force causing the bone to bend

24
Q

oblique fractures

A

runs diagnally
or runs at an angle

25
Q

What causes an oblique fracture?

A

usually a twisting force

26
Q

Spiral fracture

A

there is 2 different curves

27
Q

comminuted

A

the bone is shattered

28
Q

segmented

A

2 different fracture lines in the same bone

29
Q

avulsed

A

a piece of bone is torn away

30
Q

impacted

A

2 bone pieces are jammed together

31
Q

torres

A

1 side of the bone bends but does not break- more common in kids

32
Q

intra-articular

A

the bone goes into the joint

33
Q

green stick fractures

A

more common in kids- it is cracked
1 side is bent and the other side is cracked

34
Q

every open fracture

A

patient needs to see ortho stat

35
Q

when is the only time an open fracture is not a stat ortho referral?

A

subangula hematoma with a distal phalegeal fracture- distal fracture (bruising and bleeding collecting
antibiotics with a close follow up

36
Q

bone on slide 8:

A

nondisplaced
closed
orienatation is oblique
of the left 5th proximal phalix

if it went into the curvy line its an intra-article fracture

The hand
Its closed
nondisplaced
oblique fracture of the right 4th proximal phalenx

37
Q

bone on slide 9:

A

tibia transverse fracture with medial angulation
minamally displaced transverse fracture with mild medial angulation of the rt mid tibia

38
Q

slide 10:

A

nondisplaced
oblique (at an angle)
intra-articular going into the joint space
fracture of the rt medial medollus
(left side)

greenstick fracture (child does not go all the way through)

39
Q

slide 11:

A

foot: closed nondisplaced avulsion fracture left dorsal navivular bone
(left side)

on the right side:
closed convinnted fracture (it is shattered) left distal radius

40
Q

Complications
Arterial injury
Nerve injury
Compartment syndrome – increased pressure compromises circulation and function of tissues
Most common in long bones, esp tibia
Pain out of proportion, deep burning pain, paresthesia
If suspected – remove any cast or bandaging and STAT ortho referral
DVT
Osteomyelitis
Fat embolism syndrome
Dyspnea, hypoxemia
Diagnosis: CT of lung may show embolism

A
41
Q

When you diagnose a fracture

A

immolization is needed

42
Q

splinting

A

is the norm for an acute and family practice setting

43
Q

splinting is described as a?

A

half cast

44
Q

splints decrease

A

swelling & decrease risk for neurovascular complications

45
Q

splints

A

plaster or fiber glass