14 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... life-threatening Differential ... test - Cogan sign ... - Peek sign ... diagnosis #management #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Iniury • One-and-a-half ... Syndrome • Cavernous ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... junction, cranial nerve ... eyelid: • Third nerve ... #Differential # ... Diagnosis #ophthalmology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... such as cogan sign ... PhysicalExam #clinical #video ... #ophthalmology ... #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... Other brainstem syndromes ... , Myasthenia gravis ... Manifestations #diagnosis #neurology ... #symptoms #signs
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Postsynaptic: Myasthenia ... Lack of UMN/LMN signs ... #Weakness #Differential ... #Diagnosis #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... acetate to help with ocular ... HZO #clinical #video ... #ophthalmology ... #physicalexam #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology ... diagnosis #management #signs ... #symptoms #rheumatology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Autonomic symptoms ... meningeal irritation signs ... glaucoma - Ocular ... the trigeminal nerve ... #Neurology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... peripheral nerves ... ocular inflammation ... Presentation - Systemic Symptoms ... purpura: strong sign