14 results
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
styloid fracture, median ... nerve injury, acute ... Distal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
styloid fracture, median ... nerve injury ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... interosseous nerve ... can't make A-OK sign ... #Diagnosis #Management ... #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
injuries: Axillary nerve ... procedural sedation and ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
on axillary x-ray ... Structural damage to nerves ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... onto outstretched hand ... injuries: distal radius ... Carpal #Radiology #XRay ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
sail sign or posterior ... onto outstretched hand ... injury, elbow dislocation ... #Diagnosis #Management ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... injuries: Perilunate dislocation ... , distal radius ... #Diagnosis #Management ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... Triceps power is ... Anterior Shoulder ... Dislocation - May ... Dermatomes #Myotomes #diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... onto outstretched hand ... interosseous nerve ... #Diagnosis #Management ... #Orthopedics #MSK