Foot and Ankle Flashcards

1
Q

What is an ankle fracture?

A

Break in the posterior, medial or lateral malleoli

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2
Q

Outline the anatomy of the ankle joint.

A

Mortise (Tibia, Medial mall and Lateral mall) with the talus

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3
Q

What is the syndesmosis?

A

The joint between tibia and fibula

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4
Q

What strengthens the syndesmosis?

A
  • Anterior and posterior tibiofibial ligaments
  • Interosseus membrane (sits in the middle)
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5
Q

Which populations are ankle #s common in?

A
  • Young males
  • Older females
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6
Q

How will an ankle # present?

A
  • Pain
  • Swelling
  • Non-WB
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7
Q

What is the Ottawa rule?

A

XR the ankle IF:

  • Pain in malleolar zone plus one of:
    • Tenderness of distal, posterior tib or fib
    • Inability to WB in the ED
    • Visible deformity
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8
Q

Outline Weber’s.

A

CBA (Going down)

  • C- above syndesmosis (needs fixaton)
  • B- level of syndesmosis (may need fixation)
  • A- below syndesmosis (shouldn’t need fixation)
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9
Q

How is Weber’s A managed?

A

Boot or below knee back slab

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10
Q

How is an undisplaced Weber’s B managed?

A

Below knee backslab

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11
Q

How is a displaced Weber’s B/Weber’s C managed?

A

Closed reduction and backslab once achieved

(Closed reduction = relocation e.g. in ED)

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12
Q

What if closed reduction fails?

A

ORIF

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13
Q

Why does a backslab need to have a hole down the middle?

A

To allow for swelling

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14
Q

When should the cast come off?

A

Around 3-4 weeks or so

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15
Q

What should be done after reduction?

A

Check bone alignment within a week

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16
Q

How long before returning to work and sport?

A
  • Work- 6-8 weeks
  • Sport 12 weeks
17
Q

What are the complications?

A
  • Talus AVN
  • Joint arthritis
  • Metalwork prominence
  • Metalwork infection