Miscellaneous MSK Flashcards
What% of shoulder dislocations are anterior
90%
Causes of anterior shoulder dislocation
FOOSH
Direct trauma from back
Causes of posterior shoulder dislocation (3)
Lightning
Direct trauma from front
Epileptic fit
XR feature posterior dislocation
Light bulb sign
Sx posterior shoulder dislocation
Can’t externally rotate
What is a Bankart’s lesion?
Dislocation at the weakest point of the shoulder (labrum)
ANT - head towards coracoid
POST - head away from coracoid
What is a Hill-Sachs lesioin?
Small dent posterolaterally in the humeral head if anterior
If dent anteromedially = post
What test should be performed if pt is having recurrent dislocations?
Apprehension test
What nn should be tested in shoulder injuries?
Axillary nn
What is a Charcot joint?
Rapidly progressive destructive process in joints
Features of charcot joint
Autonomic/sensory neuropathy
+ obvious deformity
Causes Charcot joint (5)
DM Tabes dorsalis (syphillis) Alcoholic neuropathy Cauda equina Leprosy
XR features Charcot joint
Osseuous destruction + collapse
Mx Charcot joint
Well fitted cast
What scoring system is used in hypermobility
Beighton score
> 4 - hypermobility
