22 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... • Meningeal signs ... Systemic symptoms and signs ... lesion • CNS infection ... Diagnosis #Algorithm #neurology
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
Headache Etiologies ... Ocular/ENT Musculoskeletal ... Allergy Infectious ... #causes #differential ... #diagnosis #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... meningeal irritation signs ... glaucoma - Ocular ... #differential # ... ophthalmology #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
• Meniere's Disease ... symptoms/signs, ... nystagmus - Infection ... Dizziness #Vertigo #Neurology ... #Differential #
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... mainly AQP4-lgG disease ... complications (AQP4-positive ... Manifestations #diagnosis #neurology ... #symptoms #signs
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... Méniére's disease ... signs or symptoms ... Vertigo #Causes #differential ... #diagnosis #neurology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... head in dependent position ... thrombophilia, neurologic ... signs/symptoms ... Dangerous #Deadly #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... CNS symptoms (headache ... Skin lesions • Positive ... ) Differential Diagnosis ... diagnosis #management #signs
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Acute meningeal signs ... • Gram stain: Positive ... 90% • Culture: Positive ... diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Demyelinating disease ... and <25% culture positive ... #differential # ... InfectiousDiseases #Neurology