9 results
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... of Diplopia TIER ... Vertebral dissection, Myasthenia ... gravis, Wernicke's ... Thyroid myopathy (Graves
Drugs associated with worsening of Myasthenia Gravis (MG):
•	D-penicillamine 
•	Botulinum toxin.
•	Telithromycin
•	Fluoroquinolones 
•	Quinine
•	Magnesium
•	Macrolide antibiotics 
•	Corticosteroids (may cause transient
with worsening of Myasthenia ... Gravis (MG): • ... Corticosteroids (may cause ... ocularmyasthenia #ptosis #diplopia ... Pyridostigmine #acetylcholinereceptor
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Myasthenia ... Gravis is fatiguable ... Neuromuscular Junction • Myasthenia ... Gravis Extraocular ... Subdural Hemorrhage Grave's
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
sclerosis • Myasthenia ... gravis • GBS ... lesion of MLF) • Graves ... VI palsy) #Diplopia ... Differential #Diagnosis #Causes
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... Gravis is an autoimmune ... Gravis: - Fatiguability ... Gravis Treatment ... #Gravis #diagnosis
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Gravis on Physical ... Myasthenia gravis ... myasthenia gravis ... #Myasthenia #Gravis
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Diagnosis of Myasthenia ... Gravis - Physical ... elicit fatigable diplopia ... ptotic eyelid will cause ... #Gravis #PhysicalExam
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... More likely to cause ... Symptomatic treatment Of ocular ... glucocorticoids - can cause ... #Gravis #diagnosis
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... involvement: Intractable nausea ... Sjögren syndrome, Myasthenia ... gravis, Many others