49 results
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... Muscle Weakness ... or peripheral neurologic ... • Myasthenia gravis ... #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... a mass as the cause ... • Myasthenia Gravis ... • Myasthenia Gravis ... Extraocular Muscle
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Syndrome, Myasthenia Gravis ... aminoglycosides) • Muscles ... differential #diagnosis #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... • Myasthenia Gravis ... Myopathy - Proximal muscle ... Peripheral #Weakness #Neurology ... Diagnosis #Algorithm #Causes
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
in diminished muscle ... Respiratory muscles ... : “myasthenic crises ... immunologic assay - MuSK ... diagnosis #management #neurology
Hydronephrosis Grading
Grade I - Pelviectasis 
Grade II - Caliectasis (Major Calyces)
Grade III - Caliectasis (Minor Calyces)
Grade
Thinning - POCUS ... Hydronephrosis #Grading #grades ... #nephrology #radiology ... #ultrasound #pocus
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
of Myasthenia Gravis ... ptotic eyelid will cause ... of respiratory muscle ... #Myasthenia #Gravis ... Maneuvers #Diagnosis #neurology
Drugs associated with worsening of Myasthenia Gravis (MG):
•	D-penicillamine 
•	Botulinum toxin.
•	Telithromycin
•	Fluoroquinolones 
•	Quinine
•	Magnesium
•	Macrolide antibiotics 
•	Corticosteroids (may cause transient
of Myasthenia Gravis ... Corticosteroids (may cause ... Statins • Iodinated radiologic ... acetylcholinereceptor #muscle-specificreceptortyrosinekinase ... #AChR #MuSK #VC
Myocysticercosis on Leg X-Ray

Cysticercus larva in the muscles appear like rice grain calcifications.

Consumption of contaminated food
Cysticercus larva in the muscles ... appear like rice grain ... settle into the muscles ... XRay #clinical #radiology ... #msk
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... but 5% have anti—muscle-specific ... - MuSK-positive ... More likely to cause ... diagnosis #management #neurology