12 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
• CN VI (Abducens ... Iniury • One-and-a-half ... Syndrome • Cavernous ... ophthalmology #neurology ... differential #diagnosis #ocular
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... Myasthenia gravis ... Neurogenic Ptosis - Neurologic ... • Third nerve palsy ... #Ptosis #neurology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Gravis on Physical ... Her ocular exam ... cogan sign and ... 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
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
thyroid, Sjogren syndrome ... Ocular- 50%: Ptosis ... test - Cogan sign ... - Peek sign ... diagnosis #management #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... An APD was noted ... with a right gaze palsy ... a Half Syndrome ... ophthalmology #neurology
Left Abducens Spasm on Physical Exam

A 50 yr male with left facial spasm and diplopia, with
Left Abducens Spasm ... left facial spasm and ... paroxysmal brainstem syndrome ... PhysicalExam #clinical #ocular ... ophthalmology #neurology
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
And the left eye ... eye is uncovered and ... #CN6 #Abducens ... clinical #video #neurology ... ophthalmology #ocular
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Paraneoplastic syndrome ... Postsynaptic: Myasthenia Gravis ... Lack of UMN/LMN signs ... Differential #Diagnosis #neurology
Round the Houses Sign of PSP on Physical Exam

Round the house sign in Progressive Supranuclear Palsy.
Progressive Supranuclear Palsy ... route going up and ... clinical #video #ocular ... #neurology #Progressive ... #Supranuclear #Palsy