Foot and Ankle Flashcards

1
Q

Oblique/Mortise view

A

o Modified AP view: foot/leg IR 15-30
o To view mortise and distal tibiofibular joint
o Need to see gap (2mm around the ankle)

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2
Q

Most common ankle fx

A
  • Lateral or medial malleolus
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3
Q

Ottawa ankle rules

A
  • Pain in malleolar zone AND 1 of the following
    o Bone tenderness in posterior half of distal tibia/fibula pr tip of malleolus
    o Unable to WB 4 steps (Limp doesn’t count)
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4
Q

Ottawa foot rules

A
  • Pain in midfoot zone and any following
    o Bone tenderness over navicular or base of 5th MT
    o Unable to bear weight for 4 steps immediately after injury and during exam
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5
Q

Danis-Weber classification

A
  • A fx below ankle
  • B fx at level of joint with tibiofibular ligaments
  • C fx above joint level which tears the syndesmotic ligaments
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6
Q

Laugue Hansen Classification

A
-	2 word descriptors 
o	Position of foot – 1st 
o	Motin of foot (talus) – 2nd 
	Supination-adduction
	Pronation-Abduction
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7
Q

Maisonneuve Fracture

A
  • ER force to ankle and travels through interosseous membrane (2 Fx points)
    o Proximal fibular Fx
    o Medial Malleolus Fx
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8
Q

Jones Fx

A

Base of the 5th

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9
Q

Lisfranc Fx

A

Fx 2 3 4 5 MT w/ lateral dislocation

MOI: Foot in stirrup

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10
Q

March Fx

A

Stress fx 2 3 4 MT

- See in dancers, athletes, new recruits

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11
Q

Gout

A

usually 1st MCP joint

- Inability to WB

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12
Q

Bone and joint infection

A
  • Periosteal reaction – thickening of periosteum (White on xray_
    o Seen with normal healing fx, osteomyelitis, benign and malignant tumors
  • A radiating periosteal reaction (sunburst) – worry some for malignancy
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