7 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Peak age 4-10 • Ulna ... posterior interosseous nerve ... ), compartment syndrome ... , ligamentous injury ... Posterior long arm
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... injury (25%) TEST ... Check hip and ankle ... #msk #clinical ... #video #nsfw
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... Awareness • Injury ... threat Cranial Nerves ... #PhysicalExam #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... cord infarct • HIV ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... albuminocytologic dissociation ... and sensitive tests ... Guillain #Barre #Syndrome ... #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... extensors of the arms ... negative, MOG-IgG test ... brain and/or optic nerve ... #management #neurology