Difference between revisions of "Posterior shoulder dislocation"

(Differential Diagnosis)
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==Differential Diagnosis==
 
==Differential Diagnosis==
*[[Shoulder dislocation]]
+
{{Shoulder DDX}}
**[[Anterior shoulder dislocation]]
 
**[[Posterior shoulder dislocation]]
 
**[[Inferior shoulder dislocation]]
 
  
 
==Management==
 
==Management==

Revision as of 04:56, 18 February 2015

Background

  • Via forceful internal rotation/adduction (sz, electric shock) or blow to ant shoulder
  • Neurovascular and rotator cuff tears are less common than in ant dislocations

Clinical Features

  • Prominence of posterior shoulder and ant flattening of normal shoulder contour
  • Pt unable to rotate or abduct affected arm

Diagnosis

Imaging

  • Scapular "Y" view shows humeral head in posterior position

Differential Diagnosis

Shoulder and Upper Arm Diagnoses

Traumatic/Acute:

Nontraumatic/Chronic:

Refered pain & non-orthopedic causes:

Management

  • Reduce
    • Traction applied to adducted arm in long axis of humerus
    • Assistant pushes humeral head anteriorly into glenoid fossa
  • Spling, ortho f/u

See Also

Sources