Ankle Injuries Flashcards

1
Q

Ankle injuries are most commonly due to what?

A

Inversion injury and/or rotational force on a planted foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When there is a lateral ankle sprain, which ligaments are affected?

A
  1. Anterior/posterior talofibular ligaments
  2. Calcaneofibular ligaments
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How can sprains of the lateral ankle ligaments be characterised?

A
  1. Pain
  2. Bruising
  3. Mild/moderate tenderness
  4. Fractures (usually only in osteoporotic bone)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Whih criteria are used to assess a possible ankle fracture in A&E

A

Ottawa criteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the purpose of the Ottawa criteria for potential ankle fractures?

A

It gives guidance on whether an X-ray is required or not

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which criteria merit an X-ray for an ankle injury?

A
  1. Severe localised tenderness of distal tibia/fibula
  2. Inability to weight bear for four steps
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What consitutes a stable ankle fracture?

A

Isolated distal fibular fracture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the treatment for a stable ankle fracture?

A

Walking cast or splint for 6 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What consitutes an unstable ankle fracture?

A

Distal fibular fracture with rupture of the deltoid ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the treatment for an unstable ankle fracture?

A

ORIF with plate and screws

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What would cause suspicion of a ruptured deltoid ligament?

A

Medial bruising and tenderness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

With talar shift, which way will the foot be rotated?

A

Inverted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

By definition, the deltoid ligament must be ruptured if there is no medial malleolar fracture in which two conditions?

A
  1. Talar shift occurring on a mortise AP view
  2. Talar tilt with the talus and tibial plafond being non parallel
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Talar shift poses a greatly increased risk of what?

A

Post traumatic OA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What treatment is required if talar shift is present?

A

Anatomical reduction and rigid internal fixation (ORIF)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Bimalleolar fractures are ________ fractures

A

Bimalleolar fractures are unstable fractures

17
Q

Why may ORIF be delayed by 1-2 weeks with ankle fractures?

A
  1. There may be substantial soft tissue swellings and fracture blisters
  2. Reduces risk of wound healing problems and infection risk