19 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • CN VI (Abducens ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Tumor • Motor Nerves ... , Myasthenia Gravis ... #differential #diagnosis ... #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • Neurologic ... symptoms suggest ... • Myasthenia Gravis ... Algorithm #Causes #Ophthalmology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... test - Cogan sign ... - Peek sign ... - Repetitive nerve ... #neurology
Ptosis - Differential Diagnosis Framework

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

A 41yo female was referred by her neurologist for double vision.
such as cogan sign ... tumor, and always ask ... PhysicalExam #clinical #video ... #ophthalmology ... #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... , abducens nerve ... HZO #clinical #video ... #ophthalmology ... #physicalexam #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Other brainstem syndromes ... , Myasthenia gravis ... Manifestations #diagnosis ... #neurology #symptoms ... #signs
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Postsynaptic: Myasthenia Gravis ... Lack of UMN/LMN signs ... #Differential #Diagnosis ... #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... damage to sacral nerves ... #MSK #pathophysiology ... #diagnosis #symptoms ... #signs