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Methods > Ankle > Flashcards

Ankle Flashcards

1
Q

What type of joint is the ankle?

A

Synovial hinge joint

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2
Q

What type is the mortise joint?

A

Gliding joint between the distal ends of the tibia and the fibula and the proximal end of the talus

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3
Q

What are the 3 borders of the ankle mortise?

A

Articular facet of the lateral
malleolus

Articular facet of the medial
malleolus

Inferior articular surface of tibia and superior margin of talus

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4
Q

What are the ligaments in the ankle?

A

Medial: deltoid ligament
* Lateral: PTFL, ATFL and
CFL
* Syndesmotic ligament (talofibular syndesmosis)

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5
Q

What is the kVp and mAs for ankle?

A

55kvp and 3.2mAs

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6
Q

What is the centreing for AP ankle?

A

Centre midway between medial and lateral malleoli at the level of malleoli
(Foot is dorsiflexed)

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7
Q

Settings for AP Mortise Oblique Ankle

A

55kvp and 3.2mAs

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8
Q

What is the centre for the AP Mortise Oblique Ankle?

A

centre midway between the medial and lateral malleoli - at the level of malleoli

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9
Q

What is the angle for mortise oblique ankle?

A

From the AP position, rotate entire lower leg 15-20 degree internally, placing intermalleolar plane parallel to IR

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10
Q

Settings for lateral ankle

A

55kVp and 3.2mAs

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11
Q

What is the centring for the Lateral ankle?

A

55kVp and 3.2mAs

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12
Q

For 45 degree oblique ankle, what do we do?

A

Roll the ankle by 45 degrees

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13
Q

What is reduction?

A

The operation to fix a dislocation

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14
Q

AVN stands for

A

avascular necrosis

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15
Q

Avascular necrosis (osteonecrosis) is what?

A

death of bone tissue de to loss of blood supply

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16
Q

Arthroplasty is what?

A

joint replacement

17
Q

Arthodesis is what?

A

joint fusion

18
Q

For AP Tib/Fib, what is the settings?

A

55kVp and 5mAs

19
Q

What is the centring for tib/fib AP?

A

To mid shaft of lower leg

Foot must be dorsiflexed

20
Q

Settings for lateral tib/fib

A

55kVp and 5mAs

21
Q

Exostosis

A

noncancerous bone tumour - dependent on what bone it grows on and if it causes pain

22
Q

Ewing’s Sarcoma

A

Malignant tumour - Occurs in young patients
Arises in medullary cavity/ bone marrow of long bones

Methods (7 decks)

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