7 results
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... suspected, immediate MRI ... #CaudaEquina #Syndrome ... #MSK #pathophysiology
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Tumours: CPA, posterior ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc ... Differential #Diagnosis #algorithm
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 ... perineum, and posterior ... Imaging studies: • MRI ... decompression #CaudaEquina ... differential #diagnosis #causes
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Posterior Reversible ... Etiology: • Pathophysiology ... Vascular narrowing on MRA ... the underlying cause ... with AEDs until cause
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... nodules; anterior/posterior ... MSK, heart (2-5% ... Specific sarcoidosis syndromes ... • Heerfordt syndrome
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 ... peripheral nerve components ... the underlying pathophysiology ... - Spinal MRI may
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
are 2 additional components ... disposition, even if the cause ... acute vestibular syndrome ... Diagnosis #AVS #Posterior ... Exam #Vestibular #Syndrome