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Ravi Board/OITE Prep > FAnkle > Flashcards

FAnkle Flashcards

1
Q

bunnionette types

A

1 - lateral prominence ; 2 - bowed with normal IMA (distal chevron); 3 - wide IMA (most common)

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2
Q

normal 4-5th IMA

A

6-8 deg; also 5th MT head should be less than 13mm

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3
Q

sx of baxter’s nerve

A

9-12 months heelpain; unrelated to WB, similar to plantar fascitis

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4
Q

position for ankle fusion

A

0 DF, 0-5 valgus, 0 ER

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5
Q

floating toe seen with

A

seen with Weil osteotomy - up to 36%; more common when performed with PIP arthrodesis

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6
Q

Distal MT osteotomy parameters

A

HVA < 25 and IM < 13

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7
Q

FDL and FHL in plantar mid foot

A

FHL is DEEP (dorsal) to FDL

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8
Q

what position is hind foot for toe off

A

inversion, locked for toe off

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9
Q

traits of rigid hammertoe

A

neutral to slight extension of MTP; fixed PIP, variable DIP - key is that PIP does not correct with foot plantarflexion

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10
Q

criteria for DM ulcer

A

ABI < 0.45; TcO2 < 30; albumin < 3

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11
Q

which part of plantar fascia to release in PF

A

medial third ONLY - otherwise you will destabilize the arch

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12
Q

tx of chronic achilles tendinopathy

A

debridement, exostectomy of calc, and FHL transfer

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13
Q

risk factors for subtalar fusion non-union

A

smoking, failure of previous union or tibiotalar union, > 2mm of AVN at fusion site

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14
Q

baxter’s nerve innervates

A

abductor digit quinti, FDB, and quadratus plantae

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15
Q

bracnhes of tibial nerve at medial ankle

A

Medial Calc nerve; lateral plantar (with baxters) and medial plantar ; medial plantar is more anterior

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16
Q

tx of metatarsal stress fracture

A

walking boot x 6 weeks;

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17
Q

what position causes peroneal tendon subluxation

A

resisted dorsiflexion and eversion - due to disrupted SUPERIOR peroneal retinaculum

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18
Q

Peroneus longus injuries a/w

A

RhA, Varus foot, and large peroneal tubercle - tx is debride and attach to the brevis when chronic

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19
Q

chronic achilles rupture tx

A

if < 3months old and < 3cm , try for primary repair; if > 3cm gap use FHL transfer

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20
Q

Silfverskiold test

A

dorsiflexion improves with knee flexion - if DF improves then ONLY Gastroc was involved in contracture

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21
Q

the ONLY oral abx with pseudomonas coverage

A

fluoroquinolones

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22
Q

% reduction in recurrent sprains after proprioception PT

A

35% less

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23
Q

Antagonist to Tib Ant and Post Tib.

A

P Longus and P brevis respectively

24
Q

what is modified Brostrom

A

recon of ATFL, CFL, with augment of inferior extensor retinaculum

25
Q

what is evans procedure for ankle instability

A

a NON-anatomic recon of lateral support b/w the positions of ATFL and CFL - involves using half or P. brevis and attaching to anterior fibula via a drill bhole

26
Q

ways to avoid floating toe with Weil

A

make osteotomy as plantar and paralle to floor as possible to avoid MT head from moving plantar as it is shortened

27
Q

how to pick up sesamoid fracture

A

bone scan can help - to determine if source of pain

28
Q

risk factors for achilles wound issues

A

tobacco&raquo_space; steroids and female gender; DM also a rf

29
Q

inversion ankle injury a/w

A

OCD of talar dome, peroneal tendon split, anterolateral soft tissue impingment

30
Q

eversion ankle injury a/w

A

detloid avulsion fleck - anterior colliculus

31
Q

HO after high ankle sprain develops

A

6-8months after injury- wait for a negative bone scan

32
Q

navicular stress fracture tx

A

NWB x 6week; perc ORIF only after

33
Q

during heel strike what happens to GSC

A

dorman, TA Is ECCENTRIC

34
Q

screw diameter and Jones frx

A

if < 4.5 then higher rate of delayed or non-union

35
Q

TAA vs fusion in young patients

A

Fusion for active young, TAA is for older

36
Q

consequence of removalof both sesamoids

A

toe cock-up deformity

37
Q

treatment of flexible claw toe

A

based on PIP - if flexible then FDL transfer to extensor surface; if rigid PIP then resection arthroplasty +/- weil if many toes

38
Q

triad of claw toe

A

Dorsiflexed MTP; Hyperflex at PIP and DIP

39
Q

supramalleolar osteotomy for varus ankle

A

if stage 2 - 3a then good; 3b is not as good

40
Q

FHL tendonitis sx

A

posteromedial ankle pain; crepitus, triggering of great toe; decresaed passive extension of the great toe.pain with resisted great toe extension

41
Q

second tier tx of Plantar fascitis

A

night splints, steroid shot, and casting

42
Q

third line tx of Plantar fascititis

A

surgical release or extracorporal shockwave tx

43
Q

Sx for cavovarus and lateral ankle instability

A

recon of lateral ligaments and calc osteotomy

44
Q

chance of osteoM with ulcer that probes to bone

A

if probes to bone then 65%

45
Q

when do diabetic ulcers recurr

A

1 month after initiall healing in casting - help avoid recurrence with achilles lengthening

46
Q

which test has most false positive for syndesmosis injury

A

COTTON test

47
Q

operative tx for navicular stress

A

orif WITH bone graft

48
Q

mechanism of injury for peroneal tendon

A

DORSIflexion and inversion

49
Q

ligametnous lisfranc prognosis

A

poor compared to bony \even with ORIF

50
Q

how much delay after stroke before surg is doable

A

for acquired cavovarus - wait 18-24 months

51
Q

ligament integrity and Total ankle

A

they must be reconstructed - if not stable then cant do it

52
Q

medial vs lateral ocd

A

medial is more common, less traumatic, deeper and more posterior.

53
Q

what is boutinerre caused by

A

central slip - PIP flexion; DIP extension

54
Q

replant of palm amputation

A

if clean with no avulsion then yes

55
Q

tendon repair suture principle

A

10mm from cut edge with 4-6 epitendinous strands

56
Q

nomral ulnar variance what is load distribution

A

80 R 20 Ulna; goes to 95 -5

57
Q

contraindication to ulnar shortening

A

DRUJ OA

Ravi Board/OITE Prep (9 decks)

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