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Chiro 3 > Radiography Positions > Flashcards

Radiography Positions Flashcards

1
Q

7 postural positions

A

Cervical : AP open mouth 80 kvp
AP lower cervical 70 kvp
Lateral cervical (flexion + extension) 70 kvp

Thoracic: AP thoracic 80 kvp -8mm stepfilter(top half)
Lateral thoracic 90 kvp-8mm
stepfilter(bottom half)

Lumber: AP lumbosacral 80 kvp-8mm stepfilter(top half)
Lateral lumbosacral 90 kvp ( measure top half and bottom =
4mm= 2mm step filter sacrum filter

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2
Q

AP open mouth

A

AP open mouth
80 kvp

AIM: central crosshair: C1 TP
line up base of occiput with lower edge of UPPER teeth so they are at the same level

Collimation: end just below nose - width of face

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3
Q

AP lower cervical

A

AP lower cervical
70 kvp
15 degree tube tilt (up) - shoot through line of discs
JAW PARALLEL WITH FLOOR

AIM: central crosshair: in between chin and SC joints

Collimation: width of neck, chin to SC’s

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4
Q

Lateral cervical (flex+ext)

A 
Lateral cervical (flex+ext)
70 kvp

AIM: central crosshair: in between Top of ear + AC joint

Collimation: exclude eye, include c7

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5
Q

Cervical obliques (poterior)

———————————————————

SHOWS IVF’s

RPO = left intervertebral foramina (same as LAO view)
LPO = right intervertebral foramina (same as RAOview)
A

70 kvp
Tube tilt 15 degrees up

Aim: in middle of EAM and SC joint (over scm muscle)

Collimation: vertically between EAM and SC joint
Horizontally: to skin edges
————————————————————————

SHOWS IVF’s

RPO = left intervertebral foramina (same as LAO view)
LPO = right intervertebral foramina (same as RAOview)
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6
Q

Cervical-thoracic junction (swimmers view)

A

80 kvp
Shows: lateral projection of the cervical thoracic junction between shoulder girdled

Aim: middle of clavicle

Crosshair:
vertically - include mid cervivle region to sc joints?
Horizontally: sc joints to posterior skin edge including c7

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7
Q

AP thoracic

A

80kvp
Shows: C7 to L1

Aim: Bucky 5cm above C7

Collimation:
whole height of Bucky and skinny

8mm step filter TOP half of collimation

Gonad shielding apron?
———//-///

Take deep breath IN!!!

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8
Q

Lateral thoracic

A

90kvp
Shows: thoracics lateral

Aim: Bucky 5cm above C7

Collimation: entire height of Bucky and skinny

8mm step filter over BOTTOM half of collimation

Gonad apron?
—————-//

Deep breath IN!!!

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9
Q

AP lumbar pelvic

A

80kvp
Shows: isch tubes to T12

Aim: MIDLINE + 5cm below height of iliac crest

Collimation:
Vertically: entire length of Bucky
Horizontally: full width (inwards a little bit)

8mm step filter over TOP half of collimation

Gonad Belt!!! Hanging over pubic symphasis

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10
Q

Lateral lumbar sacral

A

90kvp
Shows: laterals: lumbar vx, sacrum and coccyx

Aim: height of iliac crest

Collimation:

Difference between size above and below crest
Divide by 2

(In exam 4cm diff = 2mm filter)

= 2mm filter over TOP half of collimation

——//// + sacral filter!!!!!

Taken after deep breath OUT

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11
Q

Lumbar oblique views RULES

A

Show: Scotty dogs and pars defects

RP = RP = right pars 
LP = LP = left pars

OPPOSITE FOR ANTERIOR OBLIQUE VIEWS

RA = LP left pars
LA = RP right pars
—————————————————-/

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12
Q

Lumbar anterior OBLIQUE views

A

= opposite pars to side shooting on

80kvp

Aim: L3 SP —-> , then 5cm laterally

Collimation: A4 sheet of paper

Gonad shielding apron

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13
Q

Lumbar posterior OBLIQUE views

A 
RPO = Right pars
LPO = Left pars

80kvp

Aim: L3 SP —- 5cm above iliac crest + 5cm medial of ASIS

Collimation: A4 sheet of paper

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14
Q

Spot views:

A
  • AP lumbar sacral/ Sacro iliac spot view
  • PA lumbar sacral/ Sacro illiac spot view
  • Lateral lumbar sacral/ sacro iliac spot view
  • Oblique sacral iliac joint spot view
  • AP sacrum spot view (up 15)
  • AP coccyx spot view (down 20)
  • Lateral Sacrum + coccyx spot view
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15
Q
  • AP lumbrosacral/ Sacro iliac spot view
A

80 kvp
shows: lumbrosacral junction and tube tilt shows us the disc space, tp’s facet joints and SIJ’s

25 degree tilt UP

aim: midline + 2cm below ASIS (L5/S1 joint)

collimation:
square?

gonad apron
male bottom half
female top half

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16
Q
  • Lateral lumbrosacral/ sacro iliac spot view
A

90 kvp

shows: lateral view of lumbrosacral junction and any disc height loss/damage

No tube tilt

aim: horizontally: between psis + asis
vertically: 5cm below iliac crest

collimation:
A4 sheet of paper

gonad apron
male bottom half
female FRONT half

Say no breathing

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17
Q

oblique SIJ spot view

A

80 kvp

shows: width and integrity of SI joint space. (beam along plane of sij joint
patient: same as posterior lumbars BUT patient is rotated 25 Degrees and the SIJ being shot is closest to the bucky??
aim: directly on top of psis of SIJ capturing
collimation: long square over SIJ joint

gonad shielding apron

male over bottom
female over FRONT

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18
Q
  • AP sacrum spot view
A

80 kvp

Tilt: UP 15

aim:
horizontally: midline of body
vertically: in between asis and pubic symphysis

collimation: square of sacrum

gonad shielding:
male on bottom

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19
Q
  • AP coccyx spot view
A

70 kvp
20 degrees DOWN

aim:
horizontally: midline of body
vertically: in between asis and pubic symphysis

collimation: 10x10cm

20
Q
  • Lateral Sacrum + coccyx spot view
A

90 kvp

aim:
in between L5/S1 and sacral coccygeal joint
+ 5cm anterior from back of sacrum

collimation: 10x10cm (TWIST COLLIMATION)??

21
Q

AP Pelvis

LYING DOWN - in bucky? shot

A

70 kvp
shows: pelvis and hip joints

internally rotate patients leg are straight

aim:
vertically: in between iliac crest and greater trochanter
horizontally: midline

collimation: full width of pelvis

gonad shielding apron
male = bottom
female = bottom

22
Q

HIP + Femur series

ALL 70 kvp

A

AP hip

AP femur

Lateral femur

23
Q

AP hip

A

100cm tape measure

INTERNALLY ROTATE LEGS so they are straight

aim: top of femur head ( in between asis + symphasis pubis + MOVE DOWN 5cm)

collimation: A4 sheet
- ——-

gonad shielding
male = CORNER covering testes
female = top of collimation

24
Q

Frog leg oblique hip

A

SAME AS AP HIP ^^^

+ Use 15 degree sponge block on lateral side of straight leg for comfort.

25
Q

AP femur

A

needs to include bottom patella to know what bone we are looking at

100cm tape measure

aim: shaft of femur
collimation: just past skin to skin + entire length of long bone

26
Q

Lateral femur

A

entire FEMUR not leg parallel with table
INCLUDE bottom of patella again

100cm tape measure

aim: shaft of femur

collimation: just past skin to skin
entire length of long bone

27
Q

Knee series

  • ALL 60 kvp
  • ALL out of bucky shots
A

AP knee - (5 degree tilt up)
Lateral knee - (5 degree tilt up)
intercondylar knee (all 4’s) - NO TILT
tangential patella knee - (knee bent up) - (10 degree tilt up)

28
Q

AP knee

A

5 degree tilt up
100cm tape measure

PATIENT LEG INTERNALLY ROTATED

shows: distal femur + distal tib/fib - medial/lateral joint integrity
aim: apex of patella
collimation: A4 sheet of paper

29
Q

Lateral knee

A

5 degree tilt up
100cm tape measure

PATIENT LEG INTERNALLY ROTATED
block under patients foot for comfort

aim: middle of knee joint

collimation A4 sheet of paper

30
Q

Intercondylar knee (all 4’s)

A

100cm tape measure
shows: intercondylar fossa of femur and tibia

aim: crease of knee in popliteal fossa
collimation: A4 sheet of paper (include backside THEN push them forwards so it is just outside of the view?)

31
Q

Tanential patella knee (knee bent up)

A

10 degrees UP
100cm tape measure
shows: patella + femoral joint space

aim: patella
collimation: a4 sheet of paper

32
Q

Tiba/Fibula series

All out of bucky shots
All 60kvp

A

AP Tib/Fib

Lateral Tib Fib

33
Q

AP Tib/Fib

A

Leg internally rotated
sandbag and block at base of foot- foot facing roof

aim: middle of shaft tib/fib

collimation: include malleoli
to skin edges

34
Q

Lateral Tib/Fib

A

leg externally rotated with block on ankle so lateral malleoli is facing up
sandbag on that block^^

aim: middle of shaft of tib/fib

collimation: include malleoli
to skin edges

35
Q

Ankle series

All out of bucky shots
All 60kvp

A

AP ankle

Lateral ankle

Medial oblique ankle

36
Q

AP ankle

A

foot facing roof
and internally rotated about 10 degrees

aim: 5cm proximal to malleoli (on shin)
collimation: skin edges and include calcaneus and distal tib fib

37
Q

medial oblique ankle

A

block and sandbag foot facing roof
ALSO foot internally rotated 45 degrees

aim: 5cm proximal to malleoli (shin way)
collimation: skin edges, include calcaneus, distal tib/fib

38
Q

Lateral ankle

A

leg externally rotated with block on ankle so lateral malleoli is facing up
sandbag on that block^^

aim: 2cm proximal to medial malleolus (shin way)
collimation: skin edges and include distal tib fib and calcaneus

39
Q

Foot series

All 60 kvps
All out of bucky

A

AP foot (15 degree tube tilt UP)

Lateral foot (0 tube tilt)

medial oblique foot (15 degree tube tilt UP)

40
Q

AP foot = foot = flat

A

FLAT ON TABLE

aim: middle of foot on metatarsals
collimation: skin edges and include calcaneus and end of toes

41
Q

Medial oblique ankle

A

From AP position, leg is internally rotated 30 degrees use triangle block??

aim: middle of metatarsals
collimation: skin edges and include calcaneus and end of toes

42
Q

Lateral foot

A

leg externally rotated with block on ankle so lateral malleoli is facing up
sandbag on that block^^

aim: middle of side of foot
collimation: skin edges, include calcaneus and end of toes

43
Q

Calcaneus series

All 60kvps

A

Axial calcaneus (foot band one) Tilt: 40 degree DOWN

Lateral calcaneus (0 tube tilt)

44
Q

Axial calcaneus (foot band one)

A

Tilt: 40 degree DOWN

foot facing roof using band around top of foot

aim: bottom of foot at level of malleoli

45
Q

Lateral calcaneus

A

from AP position, externally rotate leg so lateral malleoli facing up

aim: middle of lateral calcaneus (3cm distal to malleoli)
collimation: 10cmx10cm
show: calcaneus laterally and distal ends of tib/fib

46
Q

AP shoulder

A

in bucky
70kvp

patients torso rotated 30 degrees until scapula of capture is parallel with bucky

patients arm internally rotated, elbow slightly flexed and top of hand against lateral thigh

aim:

47
Q

PA lumbo sacral spot view

A

80 kvp
shows: lumbrosacral junction and tube tilt shows us the disc space, tp’s facet joints and SIJ’s

25 degree tilt DOWN

aim: midline @ L5/S1 joint

collimation:
square?

gonad apron
male bottom half
female top half

Chiro 3 (1 decks)

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