shoulder (trauma)

how should the arm be positioned for the AP shoulder neutral rotation projection?

neutral position

where is the CR directed for the AP shoulder neutral rotation projection?

scapulohumeral joint

what IR size and orientation are used for the AP shoulder neutral rotation projection?

10 x 12 crosswise

what breathing instruction is used for the AP shoulder neutral rotation projection?

hold your breath

what kVp range is used for the AP shoulder neutral rotation projection?

70-85 kVp

what should be superimposed on the AP shoulder neutral rotation projection?

greater tubercle

what should be centered on the AP shoulder neutral rotation projection?

scapulohumeral joint

what exposure quality should be demonstrated on the AP shoulder neutral rotation projection?

optimal exposure factors

what position should the patient be in for the transthoracic lateral shoulder projection?

lateral position

how should the affected arm be positioned for the transthoracic lateral shoulder projection?

down and close to the IR

how should the unaffected arm be positioned for the transthoracic lateral shoulder projection?

raised up over the head

what angle may be used for the transthoracic lateral shoulder projection?

10-15 degrees cephalad angle

where is the CR directed for the transthoracic lateral shoulder projection?

perpendicular to the surgical neck

what breathing technique is used for the transthoracic lateral shoulder projection?

short and shallow breaths for 4–5 seconds

what IR size and orientation are used for the transthoracic lateral shoulder projection?

10 x 12 lengthwise

what kVp range is used for the transthoracic lateral shoulder projection?

70-80 kVp

what should be clearly seen on the transthoracic lateral shoulder projection?

the proximal humerus

what two anatomical structures should be seen on the transthoracic lateral shoulder projection?

the humeral head and glenoid cavity

how should the humeral head be positioned on the transthoracic lateral shoulder projection radiograph?

neutral rotation

what exposure quality should be demonstrated on the transthoracic lateral shoulder projection?

optimal exposure factors

what IR size and orientation are used for the scapular Y lateral shoulder projection?

10 x 12 lengthwise

how much should the patient be rotated for the scapular Y lateral shoulder projection?

45-60 degrees

how do we know the patient is properly positioned for the scapular Y lateral shoulder projection?

the AC joint and superior angle of the scapula should be perpendicular to the IR

how should the arm be positioned for the scapular Y lateral shoulder projection?

neutral position

where is the CR directed for the scapular Y lateral shoulder projection?

scapulohumeral joint

what breathing instruction is used for the scapular Y lateral shoulder projection?

hold your breath

what kVp range is used for the scapular Y lateral shoulder projection?

70-85 kVp

what should be superimposed on the end on the scapular Y lateral shoulder projection?

body of the scapula

what two structures should appear symmetrical on the scapular Y lateral shoulder projection?

acromion and coracoid process

what two structures should be superimposed on the scapular Y lateral shoulder projection?

humeral head and glenoid cavity

what exposure quality should be demonstrated on the scapular Y lateral shoulder projection?

optimal exposure factors

the AP apical oblique axial projection is also known as…

garth method

how much should the patient be rotated for the AP apical oblique axial projection (garth method)?

45 degrees

where is the CR directed for the AP apical oblique axial projection (garth method)?

45 degrees caudal to the scapulohumeral joint

what IR size and orientation are used for the AP apical oblique axial projection (garth method)?

10 x 12 lengthwise

what breathing instruction is used for the AP apical oblique axial projection (garth method)?

hold your breath

what kVp range is used for the AP apical oblique axial projection (garth method)?

70-85 kVp

what is the AP apical oblique axial projection (garth method) best used for?

dislocations

how may the affected arm be positioned for the AP apical oblique axial projection (garth method)?

affected arm holding the other shoulder

what three structures should be free of superimposition on the AP apical oblique axial projection (garth method)?

humeral head, glenoid cavity, and neck

what should be centered on the AP apical oblique axial projection (garth method)?

the scapulohumeral joint

what exposure quality should be demonstrated on the AP apical oblique axial projection (garth method)?

optimal exposure factors

in an anterior shoulder dislocation, where is the humeral head projected?

inferiorly

in a posterior shoulder dislocation, where is the humeral head projected?

superiorly