13 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... No auditory symptoms ... test Méniére's disease ... Long symptom-free ... #differential #diagnosis
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Méniére's disease ... course of the disease ... Disease onset usually ... #differential #diagnosis ... #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... vomiting, auditory symptoms ... • Meniere's Disease ... symptoms/signs, ... #Diagnosis #Algorithm
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
in horizontal canal ... tinnitus (Méniére's disease ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Dark, Mydriatics Diseases ... association), Wernicke Encephalopathy ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Clinical: • Disease ... exertion • Neurologic ... dysrhythmias • Ophthalmologic ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
mainly AQP4-lgG disease ... facial numbness), Encephalopathy ... mainly MOG-lgG disease ... Manifestations #diagnosis ... #neurology #symptoms
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... Worsening of previous neurologic ... lesion Tuberculous Encephalopathy ... #Tuberculosis #diagnosis ... differential #TB #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Demyelinating disease ... rapidly progressive encephalopathy ... • VZV • HIV encephalopathy
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... meningitis), MCC CNS symptoms ... ) Differential Diagnosis ... inhibitors • Uveitis- Ophthalmology ... management #signs #symptoms