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Because posterior shoulder dislocations are uncommon (< 4% of shoulder dislocations), and often diagnosed late, obtain orthopedic consultation prior to reduction. Findings on anteroposterior x-rays may be subtle. A scapular Y view or an axillary view x-ray should be done. A CT scan should be done if the dislocation is unclear on x-ray.

Typically the humeral head is forced posteriorly in an internal rotation while the arm is abducted 1,3. In adults, convulsive disorders are the most common cause. Electrocution is a classic but uncommon cause of posterior shoulder dislocation.

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Typically the humeral head is forced posteriorly in an internal rotation while the arm is abducted 1,3. In adults, convulsive disorders are the most common cause. Electrocution is a classic but uncommon cause of posterior shoulder dislocation.

Because posterior shoulder dislocations are uncommon (< 4% of shoulder dislocations), and often diagnosed late, obtain orthopedic consultation prior to reduction. Findings on anteroposterior x-rays may be subtle. A scapular Y view or an axillary view x-ray should be done. A CT scan should be done if the dislocation is unclear on x-ray.

The post Posterior Shoulder Dislocation Image appeared first on Graph Diagram.

Typically the humeral head is forced posteriorly in an internal rotation while the arm is abducted 1,3. In adults, convulsive disorders are the most common cause. Electrocution is a classic but uncommon cause of posterior shoulder dislocation.

Other findings in posterior dislocation may include: Anterior contour of the shoulder absent (flattened anterior shoulder), Prominent coracoid and acromion, Rounded posterior shoulder, Palpable posterior humeral head.

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