18 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Tumor • Motor Nerves ... Poliomyelitis, Guillain-Barre ... injury, Sarcoid ... #differential #diagnosis ... #neurology
Myotomes of the Spinal Cord
Each segmental nerve root innervates more than one muscle. For simplicity, certain
Each segmental nerve ... The cauda equina ... more resilient to injury ... Myotomes #SpinalCord #Diagnosis ... #Neurology #Localization
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Fasciculus (MLF) Iniury ... One-and-a-half Syndrome ... ophthalmology #neurology ... #differential #diagnosis ... #ocular
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Diagnosis: • ... roots and cauda ... #Syndrome #diagnosis ... management #treatment #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Criteria for Guillain Barre ... Required for Guillain-Barré ... signs, Cranial nerve ... #Syndrome #diagnosis ... #criteria #neurology
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
GBS, Guillain-Barré ... syndrome; HNPP, ... palsies; NCS, nerve ... #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
 •
Cauda Equina Syndrome ... compression of nerve ... Differential Diagnosis ... cord • Guillain-Barre ... #causes #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Acute spinal cord injury ... Guillain-Barré syndrome ... in spinal cord injury ... #differential #diagnosis ... #table #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 ... roots and cauda ... #Syndrome #diagnosis ... #management #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... Equina Syndrome ... damage to peroneal nerve ... #neurology #sensory ... #motor #leg #physicalexam