30 results
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Bilateral tonic pupils ... #tonic #pupils # ... clinical #video #ophthalmology ... #bilateral #reflex ... #neurology #absent
Argyll-Robertson Pupil on Physical Exam
Small (myotic), irregular pupil that do not react to light but do
It is due lesion ... fibers of the light reflex ... are close to the ... clinical #video #neurology ... #ophthalmology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Argyll Robertson Pupil ... Usually bilateral - Abscent ... Encephalopathy By Dr ... #neurology #diagnosis ... #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... and light By Dr ... #PhysicalExam #neurology ... #ophthalmology
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 ... Diagnosis #ophthalmology
Marcus-Gunn Pupil - Pupillary dilation in response to light on the left eye and a preserved
Marcus-Gunn Pupil ... #Marcus #Gunn #Pupil ... #Pupillary #reflex ... clinical #video #ocular ... #neurology #ophthalmology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
Adie's Pupil on ... Physical Exam Adie's pupil ... nervous system by Dr ... clinical #video #ophthalmology ... #neurology #syndrome
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... hyperaldosteronism • HTN Absent ... Non-reabsorbable anions Dr ... #Hypokalemia #Differential ... potassium #low #nephrology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Urgent condition due ... constipation Differential ... wink test - reflex ... #differential # ... diagnosis #causes #neurology