61 results
Horizontal Nystagmus on Ocular Examination

Dr Prasad Jain @DrPrasadJain

#Horizontal #Nystagmus #Ocular #PhysicalExam #clinical #video #neurology #ophthalmology
Horizontal Nystagmus ... Examination Dr ... #Horizontal #Nystagmus ... clinical #video #neurology ... #ophthalmology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... Dr Sudhir Kothari ... sudhir_kothari #Ocular #Nystagmus ... #physicalexam #ophthalmology ... #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 ... auditory findings BPPV ... differential #diagnosis #neurology
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... Animation by Dr ... Central #Peripheral #Neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... in PSC BPPV after ... Dr Sudhir Kothari ... #physicalexam #ophthalmology ... #neurology #Frenzel
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
examiners nose • Nystagmus ... following a finger) • Test ... uncover each eye Dr ... Vertigo #diagnosis #neurology ... #bppv #comparison
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... hemorrhage Dr ... Convergence #retraction #nystagmus ... clinical #video #neurology ... #ophthalmology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Convergence retraction nystagmus ... retraction (Collier's sign ... → "setting sun sign ... disease (stroke) Dr ... diagnosis #pineal #neurology
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 ... ) #Vertigo #BPPV ... Labyrinthitis #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
than a minute for BPPV ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... diagnosis #findings #signs ... symptoms #comparison #neurology