20 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 
 -
Artery #Strokes #Syndromes ... #CVA #Territory ... #Symptoms #Signs ... #Diagnosis #Table ... GrepMed Recommended Text
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
and Peripheral ... - Differential Diagnosis ... contusion • Tumours: CPA ... , posterior fossa ... #Differential #Diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... may be present Central ... (posterior canal ... Long symptom-free
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Occlusion of posterior ... (Wallenberg's syndrome ... Syndrome usually ... #Peripheral #Central ... #differential #diagnosis
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
regardless of symptoms ... Diagnosis: Quantitative ... pp65 antigenemia test ... 50 or less: • Neurologic ... Polyradiculopathy, Peripheral
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
forehead) in classic posterior ... , such as with posterior ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Neurological symptoms ... narrowing on MRA/CTA ... Seizures: Treat with AEDs ... #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
mimics complete • Central ... > Posterior spinal ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics #neurology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential Diagnosis ... of breath • Neurologic ... deficits (peripheral ... Superior Vena Cava ... • Dyspnea at rest