28 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... #differential #diagnosis ... #causes #radiology ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... - Differential Diagnosis ... Fever, headache, neck ... Demyelinating disease ... and <25% culture positive
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
pain • Extra-CNS ... complications (AQP4-positive ... Manifestations #diagnosis ... #neurology #symptoms ... #signs
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Visual or auditory symptoms ... conjunction with symptoms ... nervous system (CNS ... • Lyme disease ... #neurology #noninflammatory
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... basal ganglia, CNS ... symptoms (headache ... Skin lesions • Positive ... #signs #symptoms
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
head in dependent position ... pain involving neck ... thrombophilia, neurologic ... signs/symptoms ... postpartum #Diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... (CAS): - Due ... to Viral infection ... (Cold-induced symptoms ... dehydrogenase • Positive
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... ) • Systemic symptoms ... brain lesion • CNS ... infection (e.g. ... #Algorithm #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... Can occur with neck ... Syndrome usually ... signs or symptoms ... #differential #diagnosis
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... Reconstitution Inflammatory Syndrome ... and not direct infection ... or abruptly • CN ... #Tuberculosis #diagnosis