7 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
& Ulnar Fractures ... • Extension of ... wrist & MCP joint ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... injuries: Carpal fracture ... styloid fracture ... , median nerve injury ... #Radiology #XRay
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... box, pain with wrist ... extension • Possible ... injuries: distal radius ... #TerryThomas #Wrist
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
flexion and extension ... injuries: Perilunate dislocation ... , distal radius ... #Wrist #Carpal ... #Radiology #XRay
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ligaments (prevent radial ... Hyperextension injury ... of the extensor tendon ... of the extensor tendon ... #IPJoint #Radiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... spared in this injury ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Neurologic deficit ... Neurologic injuries ... (25%) TEST FOR: ... Dorsiflexion of foot, Toe extension