15 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... variable degree of weakness ... chewing, loss of smile ... Limb- proximal weakness ... immunologic assay - MuSK
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
of Peripheral Weakness ... • Cardio-pulmonary ... Oculomotor • Myasthenia ... Gravis • Lambert-Eaton ... Myasthenic Syndrome
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Gravis on Physical ... non-localized EOM weakness ... Myasthenia gravis ... tumor, and always ask ... #clinical #video
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 ... higher risk of myasthenic ... because of bulbar weakness
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... or respiratory weakness ... mild to moderate weakness ... or generalized weakness ... #Gravis #diagnosis
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 ... Neuromuscular #Weakness
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Approach To Weakness ... Non-neuromuscular disorder (Cardiac ... Postsynaptic: Myasthenia ... Gravis - Lack
Thumb CMC Axial Grind Test

Testing for osteoarthritis of the thumb at the trapezium metacarpal joint is
The examiner grasps ... Video via @open_michigan ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
extensor pollicis brevis ... Tenosynovitis #clinical #video ... physicalexam #sports #msk ... #orthopedics #rheumatology
Thumb CMC Axial Grind Test

Testing for osteoarthritis of the thumb at the trapezium metacarpal joint is
The examiner grasps ... PhysicalExam #clinical #video ... #sports #msk #orthopedics