How are posterior shoulder dislocations diagnosed?

Updated: Aug 17, 2018
  • Author: Anantha K Mallia, DO, FACEP; Chief Editor: Erik D Schraga, MD  more...
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Posterior shoulder dislocations are often missed or diagnosed only after a significant delay; thus, prompt identification of these relatively rare dislocations is the critical element of the preprocedural element. Radiography beyond AP views is important when clinical suspicion of an occult posterior dislocation is high. Because posterior dislocations may be missed on AP views alone, complete radiographs (Y view or axillary view) are essential for diagnosis.

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