msk Flashcards

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
Q

fx at the base of the 2nd metatarsal

A

lis-franc

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26
Q

you can only do 1 test to assess for an acl tear, which is the single best one

A

lachman

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27
Q

athlete with insidious, aching pain, swelling, tenderness in midfoot area, negative xray, suspect this

A

3rd metatarsal fx/stress fx

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28
Q

pain and numbness near tarsal heads in women wearing high heels/restrictive shoes

A

mortons neuroma

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29
Q

transverse AVULSION fx at the base of the 5th metatarsal

A

pseudojones fx

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30
Q

what is a jones fx most commonly complicated by

A

nonunion or malunion

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31
Q

where are herniated discs most common

A

L5-S1, also L4-L5

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32
Q

how do you test motor fn of L5

A

dorsiflexion of big toe

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33
Q

how do you test motor fn of S1

A

plantar flexion

34
Q

how do you test motor fn of L4

A

ankle dorsiflexion

35
Q

where is the sensory distribution of L5

A

lateral thigh/leg, foot dorsum (laterally)

36
Q

where is the sensory distribution of S1

A

posterior leg/calf, plantar surface of foot

37
Q

where is the sensory distribution of L4

A

anterior thigh

38
Q

what reflex do you lose with loss of S1

A

ankle jerk

39
Q

what reflex do you lose with loss of L4

A

knee jerk

40
Q

3 things that cause spinal compression fx

A

fall from height (kids)
osteoporosis (old)
malignancy

41
Q

scoliosis is an angle > ____

A

10 degrees

42
Q

at what degrees do you brace for scoliosis

A

20-40

43
Q

at what degrees do you surgery for scoliosis

A

40+

44
Q

salmonella osteomyelitis is pathognomonic for ______w

A

sickle cell disease

45
Q

gold standard dx for osteomyelitis

A

bone aspiration

46
Q

best imagining for osteomyelitis

A

mri

47
Q

when is compartment syndrome most common

A

after fx of long bones

48
Q

osteosarcoma most commonly mets to where

A

lungs

49
Q

“onion peel” appearance on xr

A

ewings sarcoma

50
Q

mc place for osteosarcoma

A

long bones

51
Q

mc place for ewings sarcoma

A

pelvis and femur

52
Q

so in GI, an asx elevated alk phos indicates PBS, but in msk it could indicate what

A

pagets disease

53
Q

whats the other name for pagets disease that the pance might use bc it hates us

A

osteitis deformans

54
Q

“blade of grass/flame shaped” lucency on xr

A

pagets dz (lucency + sclerosis)

55
Q

“cotton wool appearance” on skull

A

pagets dz

56
Q

mgmt for pagets dz

A

bisphosphonates

57
Q

with an anterior shoulder dislocation what must you r/o

A

axillary nerve injury

58
Q

how do you r/o axillary nerve injury

A

pinprick over deltoid

59
Q

empty can tests what specifically

A

supraspinatus

60
Q

hawkins tests what specifically

A

impingement

61
Q

drop arm tests what specifically

A

impingement

62
Q

neer test tests what specifically

A

impingement

63
Q

lift off tests what specifically

A

subscapularis

64
Q

medial rotation against resistance tests what

A

subscapularis

65
Q

abduction against resistance tests what

A

supraspinatus

66
Q

lateral rotation against resistance tests what

A

teres minor and infraspinatus

67
Q

for proximal humerus fx you must r/o what

A

brachial plexus injury

68
Q

for humeral SHAFT fx you must r/o what

A

radial nerve injury

69
Q

how does radial nerve injury present

A

wrist drop

70
Q

3 things in the thoracic outlet

A

brachial plexus
subclavian vein
subclavian artery

71
Q

what is a + adson sign

A

loss of radial pulse w/ head rotated to affected side (of a thoracic outlet injury)

72
Q

direct blow to forearm causes a proximal ulnar shaft with anterior radial head dislocation, this is called?

A

monteggia fx

73
Q

foosh or direct blow causes mid-distal radial shaft fx with dislocation of distal radio-ulnar joint. this is called?

A

galeazzi fx

74
Q

if the fx has a fancy name like monteggia or galeazzi what is the tx

A

ORIF they are unstable

75
Q

excessive forearm pronation and wrist extension

A

lateral epicond

76
Q

excessive forearm supination and wrist flexion

A

medial epicond

77
Q

“dinner fork deformity” on xr

A

colles fracture

78
Q

dorsal angulation of hand

A

colles fx

79
Q

ventral angulation of hand

A

smiths fx

80
Q

flexed pip, extended dip

A

boutonniere deform

81
Q

extended pip, flexed dip

A

swan neck deform