14 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
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
Approach to Headaches - Differential Diagnosis Algorithm

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

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... hypothalamus, and visual cortex ... • CNS Vasculitis ... diagnosis #ophthalmology ... #Neurology
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
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Diagnosis Algorithm ... Fascicle (Other CN ... pilocarpine • Tonic (Adie's ... adrenaline • Cluster Headache ... #Causes #Ophthalmology
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
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... HIV-Associated CNS ... hearing loss, palsy ... #Infections #differential