34 results
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... sudhir_kothari #Ocular ... #Nystagmus #BPPV ... #physicalexam #ophthalmology ... #neurology
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
Diagnosis: Congenital ... Cooper Neurology ... #PhysicalExam #ocular ... clinical #video #neurology ... #ophthalmology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... sudhir_kothari #Ocular ... #Nystagmus #BPPV ... #physicalexam #ophthalmology ... #neurology #Frenzel
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Convergence retraction nystagmus ... → "setting sun sign ... #diagnosis #pineal ... #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... auditory findings BPPV ... No auditory symptoms ... Long symptom-free ... #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... Central #Vertigo #diagnosis ... #findings #signs ... #symptoms #comparison ... #neurology
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
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... vomiting, auditory symptoms ... unidirectonal nystagmus ... symptoms/signs, ... Dizziness #Vertigo #Neurology
Guillain-Barre Syndrome
An acute polyneuropathy (disorder Of the peripheral nervous System).
Symptoms are Often symmetrical and progress Over
Guillain-Barre Syndrome ... Symptoms are Often ... GuillainBarre #Syndrome ... #Diagnosis #Neurology ... #Signs
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... and torsional nystagmus ... consistent with BPPV ... Labyrinthitis #diagnosis ... #neurology #comparison