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The Shoulder > Shoulder Dislocation > Flashcards

Shoulder Dislocation Flashcards

1
Q

What is the mechanism of injury for a shoulder dislocation?

A
  • Arm forced into excessive ABduction and external rotation

- Head of humerus forced anteriorly

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2
Q

What are they symptoms of an anterior shoulder dislocation?

A
  • Acute trauma
  • Sever Pain
  • Arm supported with opposite arm
  • Feeling of shoulder ‘popping out’
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3
Q

What are the signs of an anterior shoulder dislocation

A
  • Prominent Humeral head
  • Hollow below acromion
  • Loss of normal control
  • May be some axillary nerv damage
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4
Q

What Investigations would be taken out?

A
  • X-Ray

- MRI (only if progress is not made)

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5
Q

What are the 3 X-Ray investigations

A
  • Bankart Lesion
  • Hill - Sach’s lesion
  • Boney Bankrt Lesion
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6
Q

What management would be given to an anterior shoulder dislocation?

A
  • Sling
  • Strengthening
  • External Rotation at 3 weeks
  • Avoid combined shoulder ABduction and external rotation for 6 weeks
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7
Q

What is Bankarts Lesion

A

Disruption of labrum attachment to anterior glenoid lesion

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8
Q

What is Hill - Sach’s lesion

A

Compression fracture of humeral head posteriorly

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9
Q

What is Boney Bankart’s Lesion

A

Fracture of the anterior glenoid margin

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10
Q

When would surgery be an option for anterior shoulder dislocation

A
  • Patients under 30 involved in demanding sports

- Patients under 25

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11
Q

What are complications of an anterior shoulder dislocation

A
  • Axillary nerv injury
  • Axillary artery damage
  • Recurrent dislocation
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12
Q

What is the mechanism of posterior shoulder dislocation

A
  • Direct Trauma

- Occurs on racquet sport player, swimmers and rugby players

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13
Q

Signs of Posterior shoulder dislocation

A
  • Loss of normal rounded shoulder appearance at front of shoulder
  • Arm held in INTERNAL ROTATION and ADDUCTION
  • Limitation of EXTERNAL ROTATION
  • Impaired function and pain
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14
Q

Mechanism of atraumatic posterior shoulder dislocation

A

occurs in presence of multidirectional instability

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15
Q

Mechanism of traumatic posterior shoulder dislocation

A
  • Less common
  • Fall on outstretched arm (degree of INTERNAL ROTATION and ADDUCTION)
  • Symptoms of posterior joint pain
  • Pain in loading when flexed and INTERNAL ROTATED
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16
Q

Investigation of Posterior shoulder dislocation

A

X-Ray

- lateral and axillary view

17
Q

Management for posterior shoulder disloaction

A
  • Muscle strengthening

- Reduction

The Shoulder (6 decks)

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