14 results
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... 1-CRITICAL Basilar ... Vertebral dissection, Myasthenia ... gravis, Wernicke's ... Thyroid myopathy (Graves
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... • Myasthenia ... Gravis is fatiguable ... 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 ... of Myasthenia Gravis ... Gravis Treatment ... #Gravis #diagnosis
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 ... 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
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
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... reticulocytes) - thin trophozoites ... P. falciparum causes ... Rich Davis, PhD, ... #peripheral #clinical
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... Diagnosis: • Based on clinical ... More likely to cause ... #Gravis #diagnosis ... #management #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... heavy metals), Critical ... Eaton Syndrome, Myasthenia ... Gravis, Organophosphate ... Neuromuscular #Weakness #Causes