10 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
arises from C5, C6, C7 ... nerve injury ... nerve injury ... (which provide central ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 Wrist: • ... nerve in the radial ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... Management: Pain control ... #Carpal #Radiology ... #XRay #Diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
common orthopedic injury ... variable gross wrist ... fracture, median nerve ... Colles #Distal #Radiology ... #XRay #Diagnosis
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
, the facial nerve ... here by a Bell's palsy ... #CNVII #CN7 #Peripheral ... #Bells #Palsy # ... Neurology #Diagnosis
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 ... injuries: distal radius ... Management: Pain control ... #XRay #Diagnosis
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 ... #differential #diagnosis ... #Neurology #Spine
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... posterior interosseous nerve ... syndrome, ligamentous injury ... #XRay #Diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... ), ligamentous injury ... dislocation + radial ... : Simple, pain control ... #XRay #Diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... anterior interosseous nerve ... brachial artery injury ... Management: Pain control ... #XRay #Diagnosis