Final Competencies

AP Knee Part Position

½ inch below patellar apex. adjust leg so that femoral condyles are parallel to IR

AP Knee Central Ray

½ inch inferior to patellar apex. CR angled based on ASIS to tabletop measurement

ASIS to tabletop measurement <19 cm

3 to 5 degrees CAUDAD (thin pelvis)

ASIS to tabletop measurement 19 to 24 cm

0 degrees

ASIS to tabletop measurement >24cm

3 to 5 degrees CEPHALAD (large pelvis)

AP Knee Collimation

8 × 10. Adjust to 1 inch beyond the sides

Lateral Knee Part Position

flex knee 20 to 30. Patella perpendicular to IR (two fingers)

Lateral Knee Central Ray

5 to 7 degrees CEPHALAD entering knee joint 1 inch distal to medial epicondyle

Lateral Knee Collimation

8×10. Adjust to 1 inch anterior to patella and 1 inch beyond posterior shadow

AP and Lateral Knee kVp

70 non grid 85 grid

AP Hip Part Position

rotate affected extremity 15 to 20 degrees medially. Center hip to IR

AP Hip Central Ray

2 inches distal from line drawn perpendicular to midpoint of line between ASIS and pubic symphysis

AP Hip Collimation

10 × 12

AP Hip Respiration

suspend

AP Hip kVp

85

Lateral Hip Part Position

flex affected knee and hip and rest on table. center affected hip to midline of grid. Extend unaffected knee

Lateral Hip Central Ray

crease of leg. 20 to 25 CEPHALIC angle for Hickey method

Lateral Hip Collimation

10×12

Lateral Hip kVp

85

AP Humerus Part Position

center humerus to IR, supinate hand, adjust humerus epicondyles parallel with IR

AP Humerus Central Ray

midpoint of humerus

AP Humerus Collimation

2 inches distal to elbow joint and superior to shoulder. 1 inch on sides`

AP Humerus Respiration

suspend

Lateral Humerus Part Position

Abduct arm, medially rotate arms until epicondyles are perpendicular.

Lateral Humerus Central Ray

midpoint of humerus

Lateral Humerus Collimation

2 inches distal to elbow joint and superior to shoulder. 1 inch on sides

Lateral Humerus Respiration

suspend

AP and Lateral Humerus kVp

70 non grid 75 grid

AP Shoulder Part Position

Center 1 inch inferior to coracoid process.

external: humeral epicondyles parallel to IR

internal: humeral epicondyles perpendicular to IR

AP Shoulder Central Ray

perpendicular to 1 inch inferior to coracoid process

AP Shoulder Collimation

10 × 12

AP Shoulder Respiration

suspend

AP Shoulder kVp

85