19 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Dislocation The ... common major joint dislocation ... triad = posterior dislocation ... #Dislocation #Posterior ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... scapholunate dissociation ... • Due to injury ... perilunate or lunate dislocation ... #Scapholunate #Dissociation
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
(LCL > MCL), coronoid ... radioulnar joint injury ... , elbow dislocation ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
of elbow, wrist ... When clinically ... nerve injury ... nerve injury ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... summary: • Dorsal dislocation ... injury • ED ... #Perilunate #Dislocation
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... head dislocation ... Exam: swollen elbow ... posterior interosseous nerve ... syndrome, ligamentous injury
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... nerve in the radial ... spared in this injury ... Anterior Shoulder Dislocation ... #neurology #sensory
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
Pediatric Elbow ... Not all joint effusions ... a significant injury ... head dislocation ... peds #Pediatrics #clinical
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... POSTERIOR DISLOCATION ... suspicious of posterior dislocation ... the_resuscitationist #Knee #Dislocation ... #msk #clinical
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... Algorithm Clinical ... • Neurologic ... Cataract/Lens Dislocation ... Nerve Ill - Eye