16 results
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV-Associated Neurocognitive ... Definition: HIV-Associated ... dementia Pathophysiology ... Diagnosis: MRI ... The clinical syndrome
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
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Principles of HIV-Associated ... should be based ... Imaging: - MRI ... Demyelinating disease caused
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 ... Imaging studies: • MRI ... decompression #CaudaEquina ... #causes #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Summary Acute AIDP ... Guillain-Barre Pathophysiology ... Campylobacter jejuni - HIV ... axonal form • MRI ... GQ1b IgG Antibody associated
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... negative, MOG-IgG test ... should be ordered ... • Infectious causes ... simplex virus, HIV
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... The evaluation should ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... zoster virus ○ HIV
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Associated with: ... Miller Fischer and PCB ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
fluctuations PRES-Associated ... Etiology: • Pathophysiology ... count in the CSF should ... the underlying cause ... until cause identified
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 ... #AIDS #pulmonary