ANKLE FRACTURE

Question 1

KEY POINTS

Answer 1

MECHANISM
Usually inversion in plantar flexion

LIGAMENTS OF LATERAL ANKLE
Anterior talo-fibular (ATF)
Calcaneo-fibular (CF)
Posterior talo-fibular (PTF)

Question 2

DDx

Answer 2

Isolated Lateral Malleolus Fracture
Bimalleolar Ankle Fracture
Trimalleolar Fracture
Maisonneuve

Achilles Tendon Rupture
Isolated Lateral Ankle Sprain
Syndesmosis Ligament Injuries

Question 3

MANAGEMENT

Answer 3

ISOLATED ANKLE SPRAIN / AVULSION FRACTURE
Rest
Ice
Compression
Elevation
Ankle stirrup brace
Early functional treatment
Follow up with family doctor

ISOLATED LATERAL MALLEOLAR FRACTURE
Posterior slab with crutches
Air-stirrup in younger patients
Air foam walker in older adults