11 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... pain, sciatica, saddle ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #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
 •
sequestration • Saddle ... Mnemonic: • S - Saddle ... - Emergency Causes ... axial T1 and T2 Treatment ... #causes #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... etc) in lumbar spine ... Incontinence • Saddle ... pathophysiology #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... involvement Cauda ... multiradicular pain - Leg ... #differential #diagnosis ... #neurology
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
fractures: Don't cause ... or neurologic deficit ... injury 3 Cauda ... equina Treatment ... #Orthopedics #diagnosis
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... Consider BCx, CSF evaluation ... as 5-10% bacteremic ... #Peds #EM #Classification ... SeriousBacterialIllness #Ddxof
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Summary Acute AIDP ... Reflexes: Arms or legs ... of intrathecal spinal ... nerve roots and cauda ... #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... edema visualized as ... the underlying cause ... • Treatment of ... until cause identified
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... axonal • MRI - Spinal ... nerve roots and cauda ... equina TREATMENT ... #management #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Infection in HIV / AIDS ... - Differential Diagnosis ... Antimicrobial treatment ... Demyelinating disease caused ... #AIDS #opportunistic