13 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... • Ulnar Nerve ... #differential #diagnosis ... #Neuropathy #anatomy ... #innervation #neurology
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Injury • Claw ... Hand - Ulnar Nerve ... Injuries #Anatomy ... #Differential #Diagnosis ... #MSK #Orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... posterior interosseous nerve ... syndrome, ligamentous injury ... #Radiology #XRay ... #Diagnosis #Management
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... anterior interosseous nerve ... ), ligamentous injury ... #Posterior #Radiology ... #XRay #Diagnosis
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
Ulnar Nerve Anatomy ... nerve is the nerve ... #Nerve #Anatomy ... #diagnosis #neurology ... #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... • Due to injury ... Tenderness to anatomic ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
injuries: Axillary nerve ... injury (40%, loss ... #Anterior #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... Hyperextension injury ... Discharge with orthopedic ... #IPJoint #Radiology ... #XRay #Diagnosis