msk Flashcards

(81 cards)

1
Q

hip trauma + pain + leg shortened + INTernally rotated + ADducted = ?

A

hip dislocation

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2
Q

hip trauma + pain + leg shortened + EXTernally rotated + ABducted = ?

A

hip fx

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3
Q

4-10yo with weeks of painless limping, worse at end of day, loss of ABD and IR, think this

A

leg-calve-perthes disease/avascular necrosis

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4
Q

crescent sign

A

AVN

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5
Q

treatment for AVN

A

bracing

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6
Q

treatment of SCFE

A

ORIF

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7
Q

valgus stress with rotation to the knee causes ___

A

MCL tear

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8
Q

+ lachmans test

A

ACL tear

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9
Q

which meniscal tear is more common

A

medial

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10
Q

+ mcmurrays sign

A

meniscal tear

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11
Q

whats the best xray to get for patellar fx

A

sunrise view

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12
Q

pt fell on their knee while walking upstairs, think?

A

patellar + quad tendon rupture

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13
Q

palpable defect above the knee

A

quad tendon rupture

patellar is below

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14
Q

in knee dislocations (tibial-femoral dislocations), injury to ? is the biggest concern

A

popliteal artery**
peroneal nerve
tibial nerve

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15
Q

a pt has knee pain after a fall from a height, consider this

A

femoral condyle fx (also an emergency just like knee dislocations)

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16
Q

what will you see with loss of peroneal nerve function

A

foot drop

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17
Q

the exam might use this word instead of patellofemoral syndrome

A

chondromalacia

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18
Q

lateral knee pain worse with running, lateral tenderness

A

IT band syndrome

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19
Q

ottawa ankle rules

A

pain at lat malleolus
pain at med mallelous
can’t walk >4 steps

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20
Q

ottawa foot rules

A

midfoot pain
5th metatarsal pain
navicular pain
can’t walk >4 steps

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21
Q

anyone w/ a distal ankle fracture should also have this ruled out

A

maissoneuve fx

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22
Q

mgmt for an open fx

A

debride w/in 8 hours, give abx, reduce + immobilize

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23
Q

what is the MC cause of a proximal femur fx

A

osteoporosis

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24
Q

transverse fx thru the diaphysis of the 5th metatarsal

A

jones fx

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25
fx at the base of the 2nd metatarsal
lis-franc
26
you can only do 1 test to assess for an acl tear, which is the single best one
lachman
27
athlete with insidious, aching pain, swelling, tenderness in midfoot area, negative xray, suspect this
3rd metatarsal fx/stress fx
28
pain and numbness near tarsal heads in women wearing high heels/restrictive shoes
mortons neuroma
29
transverse AVULSION fx at the base of the 5th metatarsal
pseudojones fx
30
what is a jones fx most commonly complicated by
nonunion or malunion
31
where are herniated discs most common
L5-S1, also L4-L5
32
how do you test motor fn of L5
dorsiflexion of big toe
33
how do you test motor fn of S1
plantar flexion
34
how do you test motor fn of L4
ankle dorsiflexion
35
where is the sensory distribution of L5
lateral thigh/leg, foot dorsum (laterally)
36
where is the sensory distribution of S1
posterior leg/calf, plantar surface of foot
37
where is the sensory distribution of L4
anterior thigh
38
what reflex do you lose with loss of S1
ankle jerk
39
what reflex do you lose with loss of L4
knee jerk
40
3 things that cause spinal compression fx
fall from height (kids) osteoporosis (old) malignancy
41
scoliosis is an angle > ____
10 degrees
42
at what degrees do you brace for scoliosis
20-40
43
at what degrees do you surgery for scoliosis
40+
44
salmonella osteomyelitis is pathognomonic for ______w
sickle cell disease
45
gold standard dx for osteomyelitis
bone aspiration
46
best imagining for osteomyelitis
mri
47
when is compartment syndrome most common
after fx of long bones
48
osteosarcoma most commonly mets to where
lungs
49
"onion peel" appearance on xr
ewings sarcoma
50
mc place for osteosarcoma
long bones
51
mc place for ewings sarcoma
pelvis and femur
52
so in GI, an asx elevated alk phos indicates PBS, but in msk it could indicate what
pagets disease
53
whats the other name for pagets disease that the pance might use bc it hates us
osteitis deformans
54
"blade of grass/flame shaped" lucency on xr
pagets dz (lucency + sclerosis)
55
"cotton wool appearance" on skull
pagets dz
56
mgmt for pagets dz
bisphosphonates
57
with an anterior shoulder dislocation what must you r/o
axillary nerve injury
58
how do you r/o axillary nerve injury
pinprick over deltoid
59
empty can tests what specifically
supraspinatus
60
hawkins tests what specifically
impingement
61
drop arm tests what specifically
impingement
62
neer test tests what specifically
impingement
63
lift off tests what specifically
subscapularis
64
medial rotation against resistance tests what
subscapularis
65
abduction against resistance tests what
supraspinatus
66
lateral rotation against resistance tests what
teres minor and infraspinatus
67
for proximal humerus fx you must r/o what
brachial plexus injury
68
for humeral SHAFT fx you must r/o what
radial nerve injury
69
how does radial nerve injury present
wrist drop
70
3 things in the thoracic outlet
brachial plexus subclavian vein subclavian artery
71
what is a + adson sign
loss of radial pulse w/ head rotated to affected side (of a thoracic outlet injury)
72
direct blow to forearm causes a proximal ulnar shaft with anterior radial head dislocation, this is called?
monteggia fx
73
foosh or direct blow causes mid-distal radial shaft fx with dislocation of distal radio-ulnar joint. this is called?
galeazzi fx
74
if the fx has a fancy name like monteggia or galeazzi what is the tx
ORIF they are unstable
75
excessive forearm pronation and wrist extension
lateral epicond
76
excessive forearm supination and wrist flexion
medial epicond
77
"dinner fork deformity" on xr
colles fracture
78
dorsal angulation of hand
colles fx
79
ventral angulation of hand
smiths fx
80
flexed pip, extended dip
boutonniere deform
81
extended pip, flexed dip
swan neck deform