13 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #CVA #Peripheral
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Location - Anterior vs ... Artery #Strokes #Syndromes ... #CVA #Territory ... #Symptoms #Signs ... #Diagnosis #Table
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Occlusion of posterior ... (Wallenberg's syndrome ... ) - Vertigo associated ... Syndrome usually ... #differential #diagnosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... fluctuations PRES-Associated ... Neurological symptoms ... edema visualized as ... #neurology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential Diagnosis ... of breath • Neurologic ... deficits (peripheral ... viscosity > 4 cP • Associated ... Superior Vena Cava
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Systemic disease associated ... skin injury) • Neurologic ... meningitis), MCC CNS symptoms ... Reactive Arthritis, AS ... #signs #symptoms
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
components: targeted neurologic ... if the cause is peripheral ... acute vestibular syndrome ... #Diagnosis #AVS ... #Posterior #CVA
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... perineum, and posterior ... • Provocative Tests ... absent anal wink test ... #causes #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
• Depressive symptoms ... Diagnosis: MRI ... The clinical syndrome ... disorder #dementia #AIDS ... #Neurology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... glomeruli, and peripheral ... • Cogan Syndrome ... Presentation - Systemic Symptoms ... retinopathy Lab Tests