8 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... injuries: distal radius ... fracture, scaphoid ... TerryThomas #Wrist ... #Scaphoid #Carpal
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
associated injuries: Scapholunate ... dislocation • ... fracture, associated scapholunate ... dissociation) ... #Fracture #Wrist
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... associated injuries: Carpal ... fracture (scaphoid ... #Wrist #Carpal
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
Watson's Test for Scapholunate ... thumb over the scaphoid ... pressure. 2) The wrist ... from ulnar to radial ... #Instability #wrist
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... Distal radius ... variable gross wrist ... injury, acute carpal ... (TFCC injury, scapholunate
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Rolando fracture Scaphoid ... fracture Scapholunate ... XRay #Radiology #Wrist ... #differential #
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... ulna, pain with wrist ... injuries: Perilunate dislocation ... , distal radius ... Triquetrum #Fracture #Wrist
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... nerve in the radial ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation