11 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... chewing, loss of smile ... Limb- proximal weakness ... immunologic assay - MuSK ... #management #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Cardio-pulmonary ... Oculomotor • Myasthenia ... Gravis • Lambert-Eaton ... Myasthenic Syndrome ... #Neurology #Differential
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): • ... Patients with MuSK-MG ... because of bulbar weakness ... muscle-specificreceptortyrosinekinase #AChR #MuSK
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
non-localized EOM weakness ... Myasthenia gravis ... tumor, and always ask ... #clinical #video ... ophthalmology #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... anti—muscle-specific kinase (MuSK ... antibodies - MuSK-positive ... #Gravis #diagnosis ... #management #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Demyelinating Disease (MS ... Eaton Syndrome, Myasthenia ... Gravis, Organophosphate ... differential #diagnosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Non-neuromuscular disorder (Cardiac ... Postsynaptic: Myasthenia ... Gravis - Lack ... aminotransferases • Serology ... Differential #Diagnosis #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
for pinch grip weakness ... Palsy #clinical #video ... #neurology #physicalexam ... #msk #orthopedics
Wartenberg Sign in Ulnar Neuropathy

Abnormal abductor the fifth finger due to ulnar neuropathy ( weakness of
ulnar neuropathy ( weakness ... finger #clinical #video ... #physicalexam #neurology ... #msk #sports #orthopedics
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Oppositional Grasp Weakness ... check for both weakness ... Syndrome #clinical #video ... #physicaleaxm #neurology ... #orthopedics #msk