4 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED Management ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Pronation - C7, C8 Wrist ... nerve in the radial ... Carpal Tunnel Syndrome ... #diagnosis #neurology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... injuries: distal radius ... scaphoid fracture, perilunate ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... associated injuries: Perilunate ... dislocation, distal radius ... #XRay #Diagnosis ... #Sports #MSK