clavicle

where is the CR directed for the AP clavicle projection?

perpendicular to the IR, mid clavicle

where is the CR directed for the AP axial clavicle projection?

15-30 degrees cephalad, mid clavicle

what IR size and orientation are used for the AP and AP axial clavicle projections?

10 x 12 crosswise

what breathing instruction is used for the AP and AP axial clavicle projections?

hold your breath

what kVp range is used for the AP and AP axial clavicle projections?

70-80 kVp

where is the CR directed for the PA axial clavicle projection?

15-30 degrees caudal

what should be demonstrated on the AP clavicle projection?

the entire clavicle

what type of collimation should be demonstrated on the AP clavicle projection?

four-sided collimation

what exposure quality should be demonstrated on the AP clavicle projection?

optimal exposure factors

what should be demonstrated on the AP axial clavicle projection?

more of the clavicle seen above the ribs

what two types of AC joint projections are performed?

AP bilateral with and without weights

where is the CR directed for the unilateral AC joint projection without weights?

AC joint

where is the CR directed for the unilateral AC joint projection with weights?

1 inch below the AC joint

what SID is used for the unilateral AC joint projection?

40

where is the CR directed for the bilateral AC joint projection?

midpoint between the AC joints (1 inch above the jugular notch)

what SID is used for the bilateral AC joint projection?

72

what breathing instruction is used for the AC joint projections?

suspend respiration

what kVp range is used without a grid for the AC joint projections?

70-75 kVp

what kVp range is used with a grid for the AC joint projections?

80-85 kVp

what should be demonstrated on the AC joint projections?

both AC joints

what shouldn’t there be on the AC joint projections?

motion

what exposure quality should be demonstrated on the AC joint projections?

optimal exposure factors

what should be visible on the AC joint projections to confirm proper identification?

correct markers

what should be evident on the AC joint projections regarding the field of view?

close collimation