37 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 ... Motor Neuron and ... Gravis • Lambert-Eaton ... Myasthenic Syndrome ... #Neurology #Differential
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
non-localized EOM weakness ... Myasthenia gravis ... always ask your ... #Gravis #PhysicalExam ... #clinical #video
Drugs associated with worsening of Myasthenia Gravis (MG):
•	D-penicillamine 
•	Botulinum toxin.
•	Telithromycin
•	Fluoroquinolones 
•	Quinine
•	Magnesium
•	Macrolide antibiotics 
•	Corticosteroids (may cause transient
Gravis (MG): • ... Patients with MuSK-MG ... because of bulbar weakness ... and may require ... muscle-specificreceptortyrosinekinase #AChR #MuSK
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... antibodies - MuSK-positive ... and in myasthenic ... #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
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
OKSign #clinical #video ... #neurology #physicalexam ... #msk #sports #neurology ... #orthopedics #Hand
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 ... #sports #hand
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... #Nerve #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk ... #sports #neurology