29 results
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
- Anterior vs Posterior ... Artery #Strokes #Syndromes ... Territory #Symptoms #Signs ... GrepMed Recommended Text ... Review in Clinical Neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Convergence retraction nystagmus ... retraction (Collier's sign ... → "setting sun sign ... diagnosis #pineal #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... vascular causes • Nystagmus ... (posterior canal ... or supine roll test
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
During Hallpike Test ... in Posterior Canal ... Latency (delay in nystagmus ... and torsional nystagmus ... testing #findings #signs
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
- Wallenberg's Syndrome ... vertigo due to Posterior ... Stroke (usually Posterior ... vomiting/vertigo/nystagmus ... #Wallenbergs #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
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... Convergence retraction nystagmus ... retraction (Collier's sign ... "setting sun" sign ... #neurology #diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... in hands) • Posterior ... > Posterior spinal ... pathophysiology #signs ... #orthopedics #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... This is a case of posterior ... #BPPV #Posterior ... #physicalexam #ophthalmology ... #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... case of right posterior ... #BPPV #Posterior ... #physicalexam #ophthalmology ... #neurology #Frenzel