Humerus

Technical Factors

• SID

• Collimation Field Size

• IR Alignment

• Grid

• kVp Range

• SID: 40”

• Collimation Field Size: 14” × 17”

• IR Alignment: Portrait

• Grid: Yes

• kVp Range: 70-85

AP Projection - Humerus Patient Position

• Pt erect

• Rotate body toward affected side to bring shoulder and proximal humerus into contact w/ IR

• Abduct arm slightly and gently supinate hand 

AP Projection: Should the epicondyles of the elbow be parallel or perpendicular to the IR?

Parallel

CR for AP Humerus Projection

Mid-elbow

AP Humerus Collimation

Collimate on sides to soft tissue borders of humerus and shoulder

What 2 joints should be included in an AP Humerus XR?

Elbow and Shoulder

Lateral Humerus