17 results
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... dissociation - Convergence ... retraction nystagmus ... #diagnosis #pineal ... #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... tectal pupils) • Convergence ... retraction nystagmus ... neudrawlogy #Parinauds #syndrome ... #neurology #diagnosis
Convergence-Retraction Nystagmus on Physical Exam

Convergence-retraction nystagmus: irregular, jerky nystagmus, associated with convergence and retraction of both
, jerky nystagmus ... of Parinaud's syndrome ... mesencephalic syndrome ... PhysicalExam #clinical #ocular ... #video #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... hyperaldosteronism • HTN Absent ... #Diagnosis #Algorithm ... potassium #low #nephrology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
Downbeat nystagmus ... also amplified by convergence ... The differential ... Ophthalmology #Neurology ... Clinical #Video #Ocular
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Neurogenic Ptosis - Neurologic ... Congenital Ptosis - Absence ... #Ptosis #neurology ... #Differential #
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
of Seizures - Differential ... Diagnosis Algorithm ... • Generalized: Absence ... vasoconstriction syndrome ... #Causes #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
constipation Differential ... Diagnosis: • ... #differential # ... diagnosis #causes ... #neurology
Wernicke Encephalopathy - Triad

Encephalopathy 
 • Disorientation 
 • Indifference 
 • Inattentiveness 
Ocular motor dysfunction
Inattentiveness Ocular ... dysfunction • Nystagmus ... Encephalopathy #Syndrome ... #Triad #Diagnosis ... #Neurology #Thiamine