Acromioclavicular joint injury Flashcards

1
Q

Mechanism of injury

A
  • contact
  • fall on to the shoulder
  • popping sensation
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2
Q

Investigation?

A

X-ray to rule out clavicle fracture

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3
Q

Type 1?

A
  • sprain of capsule
  • locallised tenerness
  • pain on movement (horizontal flexion)
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4
Q

Type 2?

A
  • Complete tear of AC ligaments
  • Sprain of coracoclavicular ligaments
  • Palpable step deformity
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5
Q

Type 3?

A
  • Complete tear of coracoclavicular ligaments conoid and trapeziod
  • Step deformity
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6
Q

Type 4?

A
  • Posterior displacement of clavicle
  • Complete rupture of ligament structures
  • -Rare
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7
Q

Type 5?

A
  • Complete tear of coracoclavicular ligaments, conoid, trapeziod
  • Step deformity
  • rare
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8
Q

Type 6?

A
  • Complete tear of ligaments

- inferior displacement clavicle

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9
Q

Joint management?

A
  • General priciples of ligament injury

- surgery type 4, 5 and 6

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