18 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction ... Nystagmus with ... #retraction #nystagmus ... #ocular #physicalexam ... clinical #video #neurology
Convergence retraction nystagmus on physical exam secondary to dorsal midbrain lesion

#convergence #retraction #nystagmus #ocular #physicalexam #neurology
Convergence retraction ... nystagmus on physical ... #retraction #nystagmus ... #ocular #physicalexam ... #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... vascular causes • Nystagmus ... worsen with head position ... auditory findings BPPV ... • Short-lived, positional
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... in PSC BPPV after ... sudhir_kothari #Ocular ... #Nystagmus #BPPV ... ophthalmology #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... nose) • Head Position ... worsen with head position ... symptoms #comparison #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Benign Paroxysmal Positional ... Vertigo (BPPV) ... and torsional nystagmus ... consistent with BPPV ... Labyrinthitis #diagnosis #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... in PSC BPPV after ... sudhir_kothari #Ocular ... #Nystagmus #BPPV ... ophthalmology #neurology
Convergence-Retraction Nystagmus on Physical Exam

Convergence-retraction nystagmus: irregular, jerky nystagmus, associated with convergence and retraction of both
Nystagmus on Physical ... nystagmus: irregular ... , jerky nystagmus ... PhysicalExam #clinical #ocular ... #video #neurology
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... to the upright position ... Nystagmus 2. ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
Downbeat nystagmus ... Its jerk nystagmus ... also amplified by convergence ... Ophthalmology #Neurology ... Clinical #Video #Ocular