13 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... granulomatosis: • EBV-associated ... #Brain #differential ... causes #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Principles of HIV-Associated ... ; associated intracranial ... #Infections #differential ... #diagnosis #AIDS
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Space-occupying brain lesion ... • CNS infection ... #Differential # ... Diagnosis #Algorithm #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Systemic disease associated ... basal ganglia, CNS ... meningitis), MCC CNS ... symptoms (headache ... Behcet disease) Differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Syncope / Exercise Associated ... sensations - Headache ... cardiomyopathy, ARDS ... Disorientation, Headache
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... bilateral white matter lesions ... well-defined than PML lesions ... disorder #dementia #AIDS ... #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... mental status • Headache ... fluctuations PRES-Associated ... showing cortical lesions ... Reversible course Differential
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
Headache Etiologies ... and Associated ... Non-Emergent Causes CNS ... #causes #differential ... #diagnosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... pulmonary etc) • CNS ... Neoplastic: Malignancy-associated ... #Weakness #Differential ... #Diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... 50 years • New headache ... Progressive symptoms of headache ... VASCULITIS: ANCA Associated