36 results
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... Head Impulse Test ... Nystagmus Test ... Testing #Vertigo #Central ... #Peripheral #Neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... a stand-alone test ... with an AVS with nystagmus ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vertigo due to Posterior ... Stroke (usually Posterior ... vomiting/vertigo/nystagmus ... Palatal myoclonus - Central ... #Wallenbergs #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... may be present Central ... vascular causes • Nystagmus ... (posterior canal
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... examiners nose • Nystagmus ... following a finger) • Test ... #physicalexam #Central ... Vertigo #diagnosis #neurology
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
- Anterior vs Posterior ... Lenticulostriate artery Posterior ... Artery #Strokes #Syndromes ... GrepMed Recommended Text ... Review in Clinical Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... forehead) in classic posterior ... , such as with posterior ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) - Treatment
Blood pressure control:
 • Aim for 10-25% BP reduction within
Posterior Reversible ... Encephalopathy Syndrome ... EricsMedicalLectures/ #PRES #Posterior ... Encephalopathy #Syndrome ... Treatment #Management #Neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
mimics complete • Central ... Cord Syndrome - ... in hands) • Posterior ... > Posterior spinal ... #orthopedics #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) - Diagnosis
Clinical Features:
 • Altered mental status (Either lethargy, confusion, or
Posterior Reversible ... Encephalopathy Syndrome ... Features: • Altered mental ... Encephalopathy #Syndrome ... #Diagnosis #Neurology