10 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... #PhysicalExam #neurology ... #ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Sphenoid sinusitis (CN ... intracranial pressure (CN ... orbitopathy) • Corneal ... hypertension (CN
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Movement Disorders • CN ... • CN IV (Trochlear ... • CN VI (Abducens ... #neurology #differential ... #diagnosis #ocular
Stroke Mimics - Differential Diagnosis - MINT Mnemonic
 • Metabolic: Hyper-glycemia, Hypoglycemia, Wernicke's encephalopathy, Mitochondrial Encephalopathy
Diagnosis - MINT ... Mnemonic • Metabolic ... Infectious: Bell's palsy ... Vestibular neuronitis, CNS ... #Mnemonic #neurology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Diagnosis 1. ... Anisocoria - CN ... III Palsy - Pharmacologic ... Dilatation - Adie's ... #Diagnosis #Ophthalmology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
peripheral lesion of CN ... peripheral lesion of CN ... here by a Bell's palsy ... #CNVII #CN7 #Peripheral ... #Neurology #Diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
CN VI palsy ... for ptosis with CN ... • Neurologic ... Functional • Corneal ... #Causes #Ophthalmology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... papilledema • Horner ... brain lesion • CNS ... #neurology #PHANTOMS ... #mnemonic
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... • Horner syndrome ... #Differential # ... Diagnosis #ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Diagnosis Framework ... hypothalamus, and visual cortex ... Trochlear headache • CNS ... #diagnosis #ophthalmology ... #Neurology