15 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Injury • Claw ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
of elbow, wrist ... nerve injury ... nerve injury ... drop: ECRB and ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... #XRay #Diagnosis ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... drop - Occurs after ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... injuries: distal radius ... #Radiology #XRay ... Orthopedics #Sports #MSK
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
by Nerve Root Levels ... Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... NerveRoots #Levels #differential ... #diagnosis #Neurology
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... radioulnar joint injury ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... can't make A-OK sign ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... dislocation, distal radius ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK