8 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all ... carpal bones should ... spacing between all ... carpal bones should ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
• Mechanism: fall ... anterior interosseous nerve ... can't make A-OK sign ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
• Mechanism: Fall ... fracture, median nerve ... injury • ED ... #Orthopedics #Sports ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... • Mechanism: Fall ... (LCL > MCL), coronoid ... , elbow dislocation ... #Orthopedics #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... Exam: swollen elbow ... posterior interosseous nerve ... syndrome, ligamentous injury ... Orthopedics #Proximal #MSK
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
fat pad (sail sign ... Not all joint effusions ... a significant injury ... a radial head dislocation ... peds #Pediatrics #clinical
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
DTR’s • Onset: Few ... complete paralysis of all ... • Weakness: Starts ... Albuminocytologic dissociation ... management #treatment #neurology
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
extends from the elbow ... wrist and locate all ... relevant body parts ... #subluxation #clinical ... Orthopedics #Wrist #msk