36 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 ... Maneuver #clinical #video ... ophthalmology #neurology
Ocular Albinism and Nystagmus

#Ocular #Albinism #Nystagmus #clinical #video #ophthalmology #PhysicalExam #neurology
Ocular Albinism ... and Nystagmus ... #Ocular #Albinism ... #video #ophthalmology ... #PhysicalExam #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 ... Maneuver #clinical #video ... ophthalmology #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... auditory findings BPPV ... test Méniére's disease ... differential #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 ... tinnitus (Méniére's disease ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Differential Diagnosis Algorithm ... unidirectonal nystagmus ... • Meniere's Disease ... bidirectional nystagmus ... Dizziness #Vertigo #Neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... Convergence retraction nystagmus ... sign • Vascular disease ... Dorsal midbrain and ... #neurology #diagnosis
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
on Ocular Examination ... on looking down and ... #Ocular #clinical ... #video #physicalexam ... #neurology #ophthalmology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... cirrhosis, nephrotic syndrome ... Nausea, Pulmonary Diseases ... , CNS Disease, Meds ... #diagnosis #nephrology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... mainly AQP4-lgG disease ... mainly MOG-lgG disease ... (AQP4-lgG disease ... Manifestations #diagnosis #neurology