50 results
Myasthenia Gravis - Ptosis, Diplopia, Blurred Vision

Acute Myasthenic Crisis 
• Triggered by infection, medication 
• Respiratory
Myasthenia Gravis ... - Ptosis, Diplopia ... Vision Acute Myasthenic ... ventilation #Myasthenia ... #Gravis #Diagnosis
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 ... Vertebral dissection, Myasthenia ... gravis, Wernicke's ... Thyroid myopathy (Graves ... Orbital apex mass #Diplopia
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
neuro-ophthalmologic finding of diplopia ... sclerosis • Myasthenia ... gravis • GBS ... lesion of MLF) • Graves ... VI palsy) #Diplopia
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
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Myasthenia Gravis ... this patient have myasthenia ... gravis? ... #Diagnosis #Myasthenia ... #Gravis #LRs #LikelihoodRatios
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): • ... prevent prolonged myasthenic ... higher risk of myasthenic ... ocularmyasthenia #ptosis #diplopia
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Gravis on Physical ... Myasthenia gravis ... gravis has been ... subsequently improved the diplopia ... #Gravis #PhysicalExam
Curtain Sign - Enhanced Ptosis in Myasthenia Gravis
Because of bilateral eyelid innervation, when the more affected
Enhanced Ptosis in Myasthenia ... Gravis Because ... Enhanced #Ptosis #Myasthenia ... #Gravis #clinical
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Diagnosis of Myasthenia ... Gravis - Physical ... elicit fatigable diplopia ... BrighamMedRes #Myasthenia ... #Gravis #PhysicalExam