21 results
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Pathophysiology ... Clinical Features ... Diagnosis: • ... axonal form • MRI
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... ), Epidural abscess ... Poliomyelitis, Guillain-Barre ... #differential #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Pathophysiology ... Lung Abscess - Clinical ... of PCN allergy ... westermani • Other: TB
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... including: M, avium, TB ... Syphilis • Pyogenic Abscess ... #causes #radiology
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Tuberculosis - Diagnosis ... extrapulmonary cases ... Clinical Signs ... decreased reflexes Pathophysiology ... : - MRI is modality
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Causes: • Large ... • Infection (abscess ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms
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 ... Spinal infection/abscess ... Tethered cord • Guillain-Barre ... Imaging studies: • MRI ... axial T1 and T2 Treatment
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... the underlying pathophysiology ... - Spinal MRI may ... and cauda equina TREATMENT
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... emboli • Lung abscess ... characteristic features Clinical ... staining, NAA (PCR ... #Diagnosis #Management
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... and treatment can ... neuropathy (LHON) plus MRI ... lesions and clinical ... consistent with MS