MSK Dx criteria Flashcards
neck of femur dx
x-rays
lab tests
DEXA Tscore [-2.5 = osteoporosis, -1 to -2.5 = osteopenia]
neck of femur classification is called
Garden
Garden type 1
incomplete/valgus impacted
Garden type 2
complete, non-displaced on AP and lateral views
Garden type 3
complete with partial displacement [look for discontinuation of trabecular pattern]
Garden type 4
complete displacement
Septic arthritis in paeds classification is called
Kocher
Kocher criteria x 4
fever > 38.5
WCC > 12,000
Non-weight bearing on affected side
ESR > 40 mm/h
When all of Kocher criteria is met there is –% probability of septic arthritis
99
When 3/4 of Kocher criteria is met there is –% probability of septic arthritis
93
When 2/4 of Kocher criteria is met there is –% probability of septic arthritis
40
When 1/4 of Kocher criteria is met there is –% probability of septic arthritis
3
AVN classification is called
Steinburg
For all 4 stages of Steinburg classification there is
pain and positive MRI for AVN
X-Ray of Steinburg Stage 1
Normal
X-Ray of Steinburg Stage 2
changes on bone trabeculate with sclerosis or osteolysis areas
X-Ray of Steinburg Stage 3
osteochondral fracture with sequestrum and flattening of the head
X-Ray of Steinburg Stage 4
advanced lesions
Wells criteria DVT unlikely if score is
under 2
Wells criteria DVT likely if score is
over 2
Wells criteria
clinical features with 1 point
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
Wells criteria
clinical features with -2 point
Alt dx as likely/more than likely than DVT
Dx criteria differentiating vascular from neurogenic claudication has how many factors?
6 factors
evaluation after walking neurogenic
increased weakness