15 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... chewing, loss of smile ... life-threatening Differential ... Diagnosis - ... #Gravis #diagnosis
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Vertebral dissection, Myasthenia ... gravis, Wernicke's ... Thyroid myopathy (Graves ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes - Differential ... Diagnosis Algorithm ... • Cardio-pulmonary ... Gravis • Lambert-Eaton ... Myasthenic Syndrome
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... sclerosis • Myasthenia ... gravis • GBS ... Miller-Fisher syndrome ... lesion of MLF) • Graves
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
non-localized EOM weakness ... Myasthenia gravis ... such as cogan sign ... #clinical #video ... #ophthalmology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Demyelinating Disease (MS ... , Myasthenia Gravis ... #Causes #differential ... #diagnosis #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Myasthenia gravis ... to ptosis and weakness ... • Myasthenia gravis ... #Diagnosis #ophthalmology
Multiple Cranial Neuropathies - High Yield Differential Diagnosis
 • Intrinsic brainstem process
 • Compressive brainstem process
Diagnosis • Intrinsic ... Miller Fisher Syndrome ... important for facial weakness ... : • Myasthenia ... Gravis (much more
Floppy Baby Syndrome
 • Infantile Botulism
 • Acute Flaccid Myelitis
 • Guillain Barre
 • Neonatal Myasthenia
Barre • Neonatal Myasthenia ... Gravis Clinical ... resistance - Weakness ... LMN signs - Assess ... #diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Non-neuromuscular disorder (Cardiac ... Postsynaptic: Myasthenia ... Gravis - Lack ... of UMN/LMN signs