20 results
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Causes: • Large ... suspected, immediate MRI ... #CaudaEquina #Syndrome ... #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 ... cord infarct • HIV ... Tethered cord • Guillain-Barre ... Imaging studies: • MRI ... decompression #CaudaEquina
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Pathophysiology ... Campylobacter jejuni - HIV ... Diagnosis: • ... axonal form • MRI
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
dementia Pathophysiology ... diffuse myelin loss ... , but MRI will show ... Diagnosis: MRI ... The clinical syndrome
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... should be based ... antiretroviral therapy should ... Imaging: - MRI ... Demyelinating disease caused
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Diagnosis Framework ... The evaluation should ... cause unknown) ... II ○ Susac’s syndrome ... zoster virus ○ HIV
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... pachymeningitis • HIV ... sensorineural hearing loss—wolfram ... neuropathy (LHON) plus MRI ... consistent with MS
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
Cognitive impairment + loss ... hydrocephalus, HIV ... ... laboratory tests ... MRI, iADL scale, ... Aphaso-apraxo-agnosia 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 ... immunodeficiency virus (HIV ... and sensitive tests ... the underlying pathophysiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pneumonia: • 3 syndromes ... of a "flu-like syndrome ... Pneumonia: • PVL ... factor • May cause