11 results
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Causes of Neuromuscular ... Weakness CRITICAL ... Brainstem - Spinal ... #Differential # ... Neurology #Causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... lower extremity weakness ... #syndrome #differential ... #diagnosis #causes ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... involvement Cauda Equina ... syndromes #lesions #differential ... #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Conditions: • Cauda Equina ... Commonly caused ... claudication and weakness ... Myotomes #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... roots -> Cauda equina ... Cord Causes: 1 ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... heavy metals), Critical ... #Causes #differential ... #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Clinical ... Decreased / Absent Reflexes ... of intrathecal spinal ... roots and cauda equina ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... transplantation CLINICAL ... depressed deep tendon reflexes ... roots and cauda equina ... diagnosis #management #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... Spasticity - Reflexes ... for brain and/or optic ... diagnosis #management #neurology ... #differential
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
medulla, and the cortico-spinal ... form part of the differential ... muscle atrophy, weakness ... very different clinical ... positive Babinski reflex