CAMRT - All Positioning

what is the CR for a finger

perpendicular to the PIP joint

what is the routine for a finger

PA, PA oblique and lateral

what is the SID for a finger

100cm

what needs to be included on a finger

from distal metacarpal to the tip of the finger including the soft tissue

what is the angulation of the finger for an oblique projection

45 degrees

should you use a grid for a finger

no

kvp range for a finger

55-65

what is the routine for a thumb

AO, PA oblique and lateral

SID for a thumb

100 cm

what should be included on a thumb projection

entire thumb, first metacarpal and trapezium

is a grid needed for a thumb projection

no

kVp range for a thumb

55-65

how much rotation for an oblique thumb projection

45 degrees

what is the CR for the thumb

perpendicular to the 1st MCP joint

what is the routine for a hand

PA, PA oblique, lateral (fan or extension)

what is the CR for hand (PA and Oblique)

perpendicular to the 3rd MCP joint

CR for a lateral hand

perp to 2nd MCP joint

what is a ball catchers hand projection for

detecting early signs of rheumatoid arthritis

SID for all hand projections

100cm

how much is the hand obliqued for an oblique hand

45 degrees

do we use a grid for a hand

no

what should be included for a hand projection

1 inch of distal forearm to the tips of fingers

kvp range for hands

55-65

what is the routine for a wrist

PA, PA oblique, lateral

SID for wrists

100cm

what needs to be included in a wrist projection

all capral bones, proximal metacarpals, distal radius and ulna

grid for wrists?

nope

kvp range for wrists

PA - 55-65. oblique and lateral - 60-70

how much obliquity for an oblique wrist

45 degrees

what is the CR for a wrist

perpendicular to mid carpal area

what is the routine for the scaphoid

PA with ulnar deviation, PA with CR angle

what is the CR for PA wrist with ulnar deviation

perpendicular to mid scaphoid

what is the CR for PA scaphoid with CR angle

10-15 degree angle towards the elbow directed to the scaphoid

what is the SID for scaphoid

100cm

what needs to be included on all scaphoid imaging

entire scaphoid free of superimposition and no foreshortening

what is the SID for a forearm

100cm

what needs to be on the same plane for all forearm and elbow imaging

wrist, elbow and shoulder

what is the kVp for scaphoid imaging

55-65

is a grid needed for forearm imaging

no

what is the kVp range for forearm imaging

65-75

what needs to be included on forearm imaging

from wrist joint to elbow joint

what is the CR for forearm imaging

perpendicular to mid forearm

what is the routine for the forearm

AP and lateral

what is the CR for the forearm

perpendicular to mid forearm

what needs to be seen in all long bone imaging?

both joints

routine for an elbow

AP, AP external oblique, AP internal oblique, lateral

what is the CR for elbow

perpendicular to the elbow joint

evaluation criteria for the AP elbow

partial superimposition of the radius and ulna, humeral epicondyles in profile

evaluation criterial for AP oblique medial rotation elbow

coronoid process in profile, radial head/neck superimposed over ulna

evaluation criteria for AP oblique lateral rotation elbow

radial head/neck free of superimposition, proximal radial ulnar joint space open

evaluation criteria for lateral elbow

proximal radius/ulna and distal humerus, 90 degree flexion

what projection is used to replace the AP elbow in trauma situations

Axiolateral (coyle method)

positioning for the axiolateral elbow (coyle method)

elbow flexed 90 degrees, hand pronated

evaluation criteria for axiolateral (coyle method)

radial head and neck free of superimposition, elbow flexed 90 degrees

what can you do if a patient cannot straighten their arm for an AP elbow

2 images (AP of distal humerus to include elbow joint and AP of proximal radius and forearm to include elbow joint)

what is the SID for an elbow

100cm

kvp range for all elbow imaging

65-75

what is the CR for the coyle method

45 degrees towards the shoulder directed to the radial head

kvp range for the coyle method elbow

70-80

routine for humerus

AP and lateral

what is the CR for the humerus

perpendicular to mid humerus

in trauma situations what projection is used for lateral humerus'

transthoracic lateral

what is the CR for a transthoracic lateral humerus

perpendicular to midshaft of affected humerus

evaluation criteria for the transthoracic lateral humerus

proximal half of the humerus to include humeral head and glenoid cavity

what is the SID for a humerus

100cm

what is the kVp range for a humerus

70-85

what needs to be included in a humerus

elbow joint to shoulder joint

what should be parallel to the IR for an AP humerus

humeral epicondyles

what is the SID for a shoulder

100cm

do you use a grid for humerus imaging

only if the part is larger than 10 cm

kvp range for AP and scap Y shoulder imaging

70-85

do you use a grid for shoulder imaging

yes

what is the respiration for all shoulder imaging

suspended respiration to prevent movement

AP shoulder routine

neutral, Internal and external rotation

CR for AP shoulders

perpendicular, 2.5 cm elbow the coracoid process

what should be seen in the AP shoulder with internal rotation

lesser tubercle in profile medially

what should be seen in the AP shoulder with external rotation

greater tubercle in profile laterally

what is the CR for the inferosuperior axial shoulder projection (lawrence method)

horizontal to the floor, direct 25-30 degrees medially to axilla/humeral head

what is the kvp for the inferosuperior axial shoulder

70-85

what should be included on all AP shoulder imaging

entire shoulder and shoulder joint, 2/3rds of the lateral clavicle and scapula, 1/3rd of proximal humerus

greater tubercle will be seen on external rotation

lesser tubercle will be seen on internal rotation

what needs to be seen on a scap y

A true lateral view of the scapula and the entire scapula should be demonstrated

evaluation criteria for inferosuperior axial shoulder projection (lawerence method)

lateral view of proximal humerus in relationship of glenoid fossa

positioning for posterior oblique shoulder (grashey method)

RPO or LPO 35-45 degrees

CR for posterior oblique shoulder (grashey method)

perp to midscapohumeral joint

evaluation criteria for posterior oblique shoulder (grashey method)

open glenoid joint space, anterior and posterior rims of glenoid cavity are superimposed

positioning for scap y

45-60 degree oblique, can be done AP (affected side away) or PA (affected side towards)

CR for scap y

perpendicular to mid scapula

routine for clavicle

AP, AP axial

CR for AP clavicle

perpendicular to mid clavicle

CR for AP axial clavicle

15-30 degrees cephalad to mid clavicle

SID for clavicles

100cm

what needs to be included on all clavicle imaging

entire clavicle from SC to AC joint

respiration for clavicle imaging

suspended on inspiration to elevate the clavicles

kvp range for clavicles

70-85

is a grid used for clavicle imaging

yes

routine for scapula

AP and Lateral

CR for scapula

perpendicular to mid scapula

SID for scapula imaging

100cm

what is the kvp range for scapula imaging

70-85

what needs to be included in scapula imaging

entire scapula seen