118 results
Ocular Albinism and Nystagmus

#Ocular #Albinism #Nystagmus #clinical #video #ophthalmology #PhysicalExam #neurology
Ocular Albinism and ... Nystagmus #Ocular ... #Albinism #Nystagmus ... clinical #video #ophthalmology ... #PhysicalExam #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... unidirectonal nystagmus ... bidirectional nystagmus ... Dizziness #Vertigo #Neurology ... #Differential #
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 ... Vertigo #Algorithm #differential ... #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Iniury • One-and-a-half ... Syndrome • Cavernous ... #Localization #ophthalmology ... #neurology #differential
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... Convergence retraction nystagmus ... Dorsal midbrain and ... neudrawlogy #Parinauds #syndrome ... #neurology #diagnosis
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Evaluation Flow Chart - Differential ... size in bright and ... - Horner's Syndrome ... CN III Palsy - Pharmacologic ... #Diagnosis #Ophthalmology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... A nystagmus in far ... abduction with nystagmus ... clinical #video #ophthalmology ... #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... acidosis: Proximal and ... HTN Absent: Loop and ... #Hypokalemia #Differential ... potassium #low #nephrology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
by convergence and ... and rebound nystagmus ... The differential ... #Vertical #Ophthalmology ... #Neurology #Clinical
One & a half syndrome with upbeat nystagmus due to a left pontine + bimedullary infarction

Dr.
One & a half syndrome ... with upbeat nystagmus ... OneAndAHalf #One #Half #Syndrome ... clinical #video #ophthalmology ... #neurology