8 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Demyelinating Disease (MS ... Poliomyelitis, Guillain-Barre ... injury, Sarcoid ... differential #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • CN VI (Abducens ... ) Nerve palsy • ... Fasciculus (MLF) Iniury ... #Localization #ophthalmology ... #neurology #differential
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
COVID 19 - Zika virus ... 30%) • Facial Nerve ... Decreased / Absent Reflexes ... • Pain: Due to nerve ... management #treatment #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Upper extremity weakness ... bladder and rectal reflex ... anesthesia. leg weakness ... signs #symptoms #msk ... #orthopedics #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... with peripheral nerve ... depressed deep tendon reflexes ... SinaiBmoreIMRes #GBS #Guillain ... diagnosis #management #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... to the radial nerve ... spared in this injury ... anesthesia and deltoid weakness ... Myotomes #diagnosis #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 ... Tethered cord • Guillain-Barre ... lower extremity weakness ... wink test - reflex ... diagnosis #causes #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... Weakness: - Weakness ... Spasticity - Reflexes ... brain and/or optic nerve ... diagnosis #management #neurology