Dislocation: Shoulder

Question 1

Types of shoulder dislocations?

Answer 1

Glenohumeral (commonest)
Acromioclavicular (12%)
Sternoclavicular (uncommon)

Question 2

What does an acromioclavicular dislocation involve?

Answer 2

Clavicles loses all attachment with the scapula

Question 3

What is the most common type of glenohumeral dislocation?

Answer 3

Anterior (95%)

Question 4

How do anterior glenohumeral dislocations present?

Answer 4

External rotation + ABduction

Question 5

What are anterior glenohumeral dislocations associated with?

Answer 5

Greater tuberosity #
Bankart lesion - lesion on anterolateral labrum?
Hill-Sachs defect - lesion on posterolateral humeral head?

Question 6

Another term for inferior glenohumeral dislocations?

Answer 6

Luxatio erecta as arm appears to be permanently held in fixed abduction

Question 7

What signs can be seen for posterior glenohumeral dislocations?

Answer 7

Rim’s sign
Lightbulb sign
Trough sign

Question 8

When do superior glenohumeral dislocations present?

Answer 8

After major trauma
Are RARE

Question 9

Mx of glenohumeral dislocations?

Answer 9

Prompt reduction (usually in ED)
NV status monitored before and after
X-rays before and after (to check for #)

Question 10

How may Bankart lesions be repaired?

Answer 10

Surgically

Question 11

How do posterior glenohumeral dislocations present?

Answer 11

Internally rotated

Question 12

Mx of shoulder dislocations?

Answer 12

Reduction
If recent, then can reduce without analgesia/sedation BUT some pt may need analgesia ± sedation to ensure rotator cuffs are relaxed