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Application of Imaging > Upper Limb xray > Flashcards

Upper Limb xray Flashcards

1
Q

hand dp patient position

A

alongside table affected arm nearest
pronate forearm
fingers separated and relax
radial ulnar styloid processes equidistant from detector

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2
Q

hand dp centring point

A

head of third metacarpal

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3
Q

hand dp essential image characteristics

A

all joints demonstrated
collimation: distal radius and ulna, soft tissue of fingertips

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4
Q

hand dp oblique position

A

rotate externally 45 from dp
fingers still separated

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5
Q

hand oblique centring point

A

head second metacarpal

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6
Q

hand dp oblique essential image characteristics

A

heads of metacarpals not superimposed
collimation: distal radius and ulna, soft tissue of fingertips

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7
Q

hand lateral position

A

rotate externally 90 from dp
extend fingers, abduct thumb
radial ulnar styloid processes, carpals, metacarpals superimposed

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8
Q

hand lateral centring point

A

head second metacarpal

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9
Q

hand lateral essential image characteristics

A

collimation: distal radius and ulna, soft tissue of fingertips

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10
Q

wrist pa position

A

alongside table affected arm nearest
flex elbow 90 flex fingers slightly, pronated
shoulder and forearm at same level
mid ulnar deviation
radial ulnar styloid processes equidistant from detector

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11
Q

wrist pa centring point

A

midway between radial ulnar styloid processes

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12
Q

wrist pa essential image characteristics

A

no rotation
collimation: distal third radius ulna, proximal 2/3 metacarpals, all carpals

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13
Q

wrist lateral position

A

alongside table affected side nearest
extend elbow
rotated 90 so radial ulnar styloids superimposed

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14
Q

wrist lateral centring point

A

radial styloid process

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15
Q

wrist lateral essential image characteristics

A

no rotation of wrist
collimation: proximal 2/3 metacarpals, carpals and distal third of radius and ulna

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16
Q

AP elbow position

A

seated next to table affected side nearest
extend arm, supinate
medial and lateral epicondyles equidistant from detector

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17
Q

ap elbow centring point

A

2.5cm below middle of medial and lateral epicondyles of humerus

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18
Q

ap elbow collimation

A

distal 1/3 humerus, proximal 1/3 radius and ulna

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19
Q

lateral elbow position

A

seated next to table, affected arm nearest
elbow flex 90, palm 90 to detector

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20
Q

lateral elbow centring point

A

lateral epicondyle humerus

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21
Q

lateral elbow essential image characteristics

A

epicondyles superimposed
collimation: distal 1/3 humerus, proximal 1/3 radius ulnar

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22
Q

dp fingers position

A

seat next to table, affected side nearest
pronated, extend and separate fingers

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23
Q

dp finger centring point

A

proximal interphalangeal joint of affected finger

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24
Q

dp finger essential image characteristics

A

include unaffected finger for comparison
collimation: fingertips and distal 1/3 metacarpals

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25
Q

lateral middle and index fingers position

A

medially rotate arm
fully extend index finger, slightly flex middle
remaining fingers fully flex into palm

26
Q

lateral middle and index finger centring point

A

proximal interphalangeal joint of affected finger

27
Q

lateral middle and index finger collimation

A

metacarpal distal 1/3
fingertips

28
Q

lateral ring and little finger position

A

medial aspect little finger contact detector
fully extend little, slightly flex ring, rest fully flexed

29
Q

lateral ring and little finger centring point

A

proximal interphalangeal joint of affected finger

30
Q

lateral ring and little finger collimation

A

distal 1/3 metacarpal, fingertips

31
Q

thumb ap (wall stand) position

A

back of hand placed on detector
thumb fully AP

32
Q

thumb ap (sitting) position

A

face away from table, arm extend back
lean forward to lower shoulder

33
Q

thumb ap centring point

A

first metacarpo-phalangeal joint

34
Q

thumb ap essential image characteristics

A

carpo metacarpo joint included
collimation: tip, distal 1/3 metacarpal, trapezium

35
Q

lateral thumb position (sitting)

A

seated alongside table, flex elbow, pronated
lateral part of thumb contacts detector

36
Q

lateral thumb position (erect)

A

place palm on wall detector
flex fingers so thumb is lateral

37
Q

lateral thumb centring point

A

first metacarpo-phalangeal joint

38
Q

lateral thumb collimation

A

tip
carpo-metacarpal joint
distal 1/3 metacarpal

39
Q

clavicle pa position

A

faces vertical detector
midpoint clavicle in centre
head turned to side, rotate affected shoulder
arrested respiration

40
Q

clavicle pa centring point

A

midpoint of clavicle

41
Q

clavicle pa essential image characteristics

A

should be parallel so no foreshortening
collimation: sterno-clavicular and acromioclavicular joints seen

42
Q

clavicle AP position

A

back to wall stand
can angle 15 degrees towards shoulder as already 30 cranially
head turn awayc

43
Q

clavicle ap centring point

A

midpoint of clavicle

44
Q

shoulder girdle AP 15 position

A

stand back to detector
rotate 15degrees toward bad side
arm abducted and supine
turn head away

45
Q

shoulder girdle AP 15 centring point

A

coracoid process of scapula

46
Q

shoulder girdle AP 15 image characteristics

A

humerus head slight overlap glenoid cavity but separate from acromion process
collimation: proximal 1/3 humerus, inferior angle of scapula, whole clavicle, sternoid clavicular joint

47
Q

forearm AP position

A

seat next to table affected side nearest
elbow fully extend arm abduct and supine
shoulder same level
radial ulnar styloid processes, medial lateral epicondyles equidistant from detector

48
Q

forearm AP centring point

A

middle of forearm

49
Q

forearm AP collimation

A

from wrist joint to elbow joint

50
Q

forearm lateral position

A

flex elbow 90 from AP position
medial aspect contacts detector
radial ulnar styloid processes, medial lateral epicondyles superimposed

51
Q

forearm lateral centring point

A

midway forearm

52
Q

forearm lateral collimation

A

from wrist joint to elbow joint

53
Q

shoulder axial position

A

seated next unaffected side closer
lean toward table
flex elbow and abduct arm
slight angle tube

54
Q

shoulder axial centring point

A

head of humerus/mid GH joint

55
Q

shoulder axial collimation

A

acromion process, glenoid cavity
head of humerus

56
Q

AP humerus position

A

back touches detector
rotate toward affected side
medial lateral humeral epicondyles equidistant from detector

57
Q

AP humerus centring point

A

midway between shoulder and elbow

58
Q

AP humerus collimation

A

shoulder to elbow, proximal 1/4 radius ulna

59
Q

lateral humerus position

A

front touches detector
abduct arm, but arm still touches detector
hand in front of stomach area

60
Q

lateral humerus centring point

A

midway between shoulder and elbow

61
Q

lateral humerus collimation

A

GH and acromioclavicular joint
elbow joint and proximal 1/4 radius ulna

Application of Imaging (8 decks)

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