Plain film X-ray
Scapular "Y" view shows humeral head in<unk>  position
Lack of normal overlap of humeral head and glenoid fossa
"Light bulb sign" - fixed internal rotation makes for light bulb appearance of humeral head on AP
Consider CT for occult<unk> s of evaluation of fractures
Bedside ultrasound can be used to assess for both<unk>  and successful reduction
Scapular "Y" view shows humeral head in<unk>  position
Lack of normal overlap of humeral head and glenoid fossa
"Light bulb sign" - fixed internal rotation makes for light bulb appearance of humeral head on AP
Posterior shoulder dislocation
Traumatic/Acute:
Shoulder dislocation
Shoulder Dislocation
Inferior shoulder dislocation
Anterior shoulder dislocation
Acromioclavicular joint injury
Scapular fracture