8 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
L2, L3, L4 • Ankle ... Conditions: • Cauda ... and bilateral leg ... such as fibular fracture ... #neurology #sensory
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... : • Spinal cord ... spondylitis • Tethered cord ... distinguishing feature ... #causes #neurology
PV Card: Knee Injuries | Quick Reference Guide - Orthopedic injuries are commonly managed in the
from the 2015-16 ALiEM ... first two were on ankle ... and hindfoot fractures ... Mary Haas #Diagnosis ... #Management #EM
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... Lower roots -> Cauda ... compression by fractured ... Mycoplasma, Influenza, EBV ... #neurology #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
cord - Spinal Cord ... Vertebral burst fracture ... involvement Cauda ... multiradicular pain - Leg ... #neurology
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Incomplete spinal ... cord syndromes ... LMN types) • Cauda ... multiradicular pain, leg ... #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
flexors of the legs ... Transverse Myelitis Diagnosis ... Brucellosis - Dengue, EBV ... Transverse #Myelitis #diagnosis ... #management #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
- HIV, CMV, EBV ... Weakness: Starts in legs ... Reflexes: Arms or legs ... of intrathecal spinal ... nerve roots and cauda