"This projection is performed on patients with a shoulder sling (Velpeau bandage) in place, often in the context of post-operative or a post-reduction presentation whereby the patient is unable to abduct the arm. It is particularly useful in the diagnosis of posterior shoulder dislocations."
"centring pointthe x-ray tube straight up and down, centred at the glenohumeral joint (check that it casts a shadow on the detector)"
"collimationtight the to glenohumeral joint"
"orientation landscape"
"detector size18 cm x 24 cm"
"exposure"
"SID100-150 cm"
"gridno"
"orientation landscape"
"SID100-150 cm"
Expected headings
"History and etymology"