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

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... with a left 6th nerve ... #ocular #physicalexam ... clinical #video #neurology ... #ophthalmology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... examiners nose • Nystagmus ... following a finger) • Test ... #diagnosis #neurology ... #bppv #comparison
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
(BPPV) From Vestibular ... and torsional nystagmus ... consistent with BPPV ... #BPPV #Vestibular ... Labyrinthitis #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • CN VI (Abducens ... ) Nerve palsy • ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
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
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
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
The test is positive ... is rotational nystagmus ... HaIlpike #Maneuver #neurology ... #vertigo #bppv
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
CNVI #Palsy #CN6 #Abducens ... #Nerve #clinical ... #video #neurology ... #ophthalmology ... #ocular #physicalexam
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
acetate to help with ocular ... The nerves at the ... , abducens nerve ... clinical #video #ophthalmology ... #physicalexam #neurology