10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... - C6, C7, C8 Elbow ... nerve in the radial ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... Distal radius ... fracture, median nerve ... carpal tunnel syndrome ... Distal #Radiology #XRay
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
x-ray review alignment ... capitellum (age 1), radial ... anterior interosseous nerve ... ), compartment syndrome ... Humerus #Radiology #XRay
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... lateral epicondyle > radial ... anterior interosseous nerve ... dislocation + radial ... Posterior #Radiology #XRay
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... Exam: swollen elbow ... posterior interosseous nerve ... ), compartment syndrome ... Ulnar #Radiology #XRay
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Differential Diagnosis Algorithm ... Consciousness • Cranial Nerve ... contralateral extremity ... Brown-Sequard Syndrome ... Differential #Diagnosis #Algorithm
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... paralysis of all extremity ... 30%) • Facial Nerve ... • Pain: Due to nerve ... intrathecal spinal nerve
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... with peripheral nerve ... paralysis of all extremity ... the underlying pathophysiology ... Guillain #Barre #Syndrome
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Stimulation of nerve ... Swelling notable on Xray ... drift of fingers, radial ... RheumatoidArthritis #RA #pathophysiology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... • Mutism Pathophysiology ... threat Cranial Nerves ... flexed at the elbow