Acromioclavicular - (Bilateral) AP 'Pearson Method'

Adult

Other related pages of interest

Name of projection	Acromioclavicular - (Bilateral) AP "Pearson Method"
Area Covered	AC joints
Pathology shown
Radiographic Anatomy
IR Size & Orientation	18 x 43 cm
Film / Screen Combination	(CR and DR as recommended by manufacturer)
Bucky / Grid	Vertical grid device
Filter
Exposure
FFD / SID
Central Ray	Perpendicular to the midline of the body at the level of the AC joints for a single projection
Collforimation
Markers
Shielding	gonads; and the thyroid gland by using a thyroid collar as the thyroid gland is exposed to the primary beam. (check your department's policy guidelines)
Respiration	suspended
Positioning	Place the patient in an upright body position, either seated or standing, before a vertical grid device Midpoint of IR should be at the same level of AC joints Ensure weight of body is equally distributed on the feet to avoid rotation Make two exposures: one with patient WITHOUT weights attached to wrists, and second: patient WITH equal weights (5 - 10 lbs) affixed to each wrist by a band or strap. AVOID having the patient hold the weights in each hand as this reduces the possibility of demonstrating a small AC separation
.CACinritique PACEMAN	Positioning No rotation or leaning by the patient Area Covered AC joints visualized with some soft tissue and without excessive density Both AC joints, with and without weights, entirely included in one or two radiographs Collimation Exposure
Special Notes

Navigation menu