87 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Disorders • CN Ill (Oculomotor ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... Miller-Fisher syndrome ... #Diagnosis #Causes ... #Ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... Diagnosis Framework ... Status - Consider Oculomotor ... cranial nerve) Palsy ... no neurological cause
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Evaluation Flow Chart - Differential ... Diagnosis 1. ... - Horner's Syndrome ... Anisocoria - CN III Palsy ... #Diagnosis #Ophthalmology
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Delay - Differential ... Diagnosis Algorithm ... : • Cerebral Palsy ... #Causes #Peds #
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Diagnosis Algorithm ... , Variability, Oculomotor ... Lambert-Eaton Myasthenic Syndrome ... #Causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... dissociation • Other causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... ptosis with CN Ill palsy ... #DoubleVision #Differential ... #Causes #Ophthalmology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential # ... diagnosis #table
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... Diagnosis Algorithm ... pilocarpine • Oculomotor ... #Diagnosis #Algorithm ... #Causes #Ophthalmology