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

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... hemorrhage Dr ... clinical #video #neurology ... #ophthalmology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... • Meniere's Disease ... Dysfunction - Imbalance, neurologic ... symptoms/signs, ... Dizziness #Vertigo #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... Méniére's disease ... differential #diagnosis #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Convergence retraction nystagmus ... → "setting sun sign ... " - Vascular disease ... (stroke) Dr. ... diagnosis #pineal #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Convergence retraction nystagmus ... "setting sun" sign ... • Vascular disease ... pretectal area By Dr ... Parinauds #syndrome #neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
(Romberg's sign ... Observe when patient closes ... • Cerebellar disease ... the lesion By Dr ... #neurology #diagnosis
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... It is a clear sign ... regarding the cause ... Dr. ... Pupillary #Defect #Neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

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

This is a case of right posterior semicircular
Ocular Nystagmus ... Maneuver This is a case ... Dr Sudhir Kothari ... #physicalexam #ophthalmology ... #neurology #Frenzel
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... tinnitus (Méniére's disease ... with vascular causes ... diagnosis #findings #signs ... symptoms #comparison #neurology