MSK Dx criteria

Question 1

neck of femur dx

Answer 1

x-rays
lab tests
DEXA Tscore [-2.5 = osteoporosis, -1 to -2.5 = osteopenia]

Question 2

neck of femur classification is called

Answer 2

Garden

Question 3

Garden type 1

Answer 3

incomplete/valgus impacted

Question 4

Garden type 2

Answer 4

complete, non-displaced on AP and lateral views

Question 5

Garden type 3

Answer 5

complete with partial displacement [look for discontinuation of trabecular pattern]

Question 6

Garden type 4

Answer 6

complete displacement

Question 7

Septic arthritis in paeds classification is called

Answer 7

Kocher

Question 8

Kocher criteria x 4

Answer 8

fever > 38.5
WCC > 12,000
Non-weight bearing on affected side
ESR > 40 mm/h

Question 9

When all of Kocher criteria is met there is –% probability of septic arthritis

Answer 9

99

Question 10

When 3/4 of Kocher criteria is met there is –% probability of septic arthritis

Answer 10

93

Question 11

When 2/4 of Kocher criteria is met there is –% probability of septic arthritis

Answer 11

40

Question 12

When 1/4 of Kocher criteria is met there is –% probability of septic arthritis

Answer 12

3

Question 13

AVN classification is called

Answer 13

Steinburg

Question 14

For all 4 stages of Steinburg classification there is

Answer 14

pain and positive MRI for AVN

Question 15

X-Ray of Steinburg Stage 1

Answer 15

Normal

Question 16

X-Ray of Steinburg Stage 2

Answer 16

changes on bone trabeculate with sclerosis or osteolysis areas

Question 17

X-Ray of Steinburg Stage 3

Answer 17

osteochondral fracture with sequestrum and flattening of the head

Question 18

X-Ray of Steinburg Stage 4

Answer 18

advanced lesions

Question 19

Wells criteria DVT unlikely if score is

Answer 19

under 2

Question 20

Wells criteria DVT likely if score is

Answer 20

over 2

Question 21

Wells criteria

clinical features with 1 point

Answer 21

active cancer
paralysis paresis immobilised lower limb
localised tenderness along DV
entire leg swollen
calf swelling > 3 cm larger than asymptomatic side
unilateral pitting oedema
collateral superficial veins
previously documented DVT
Alt dx as likely/more than likely DVT

Question 22

Wells criteria

clinical features with -2 point

Answer 22

Alt dx as likely/more than likely than DVT

Question 23

Dx criteria differentiating vascular from neurogenic claudication has how many factors?

Answer 23

6 factors

Question 24

evaluation after walking neurogenic

Answer 24

increased weakness

Question 25

evaluation after walking vascular

Answer 25

unchanged

Question 26

relieving factors neurogenic

Answer 26

bending over, sitting

Question 27

relieving factors vascular

Answer 27

stopping

Question 28

provocative factors neurogenic

Answer 28

walking downhill

increased lordosis

Question 29

provocative factors vascular

Answer 29

walking uphill

increased metabolic demand

Question 30

pulses neurogenic

Answer 30

present

Question 31

pulses vascular

Answer 31

absent

Question 32

shopping cart sign neurogenic

Answer 32

present

Question 33

shopping cart sign vascular

Answer 33

absent

Question 34

van gelderen bicycle test neurogenic

Answer 34

no leg pain

Question 35

van gelderen bicycle test vascular

Answer 35

leg pain