18 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... Bedside: ice pack test ... /Edrophonium test ... immunologic assay - MuSK ... #management #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Poliomyelitis, Guillain-Barre ... syndrome, Mononeuritis ... , Myasthenia Gravis ... differential #diagnosis #neurology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Myasthenia gravis ... the ice pack test ... always ask your ... #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
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Campylobacter jejuni - HIV ... Paresthesias: Hands ... #management #treatment ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Postsynaptic: Myasthenia ... Gravis - Lack ... parainfluenza, Coxsackie, HIV ... aminotransferases • Serology ... Differential #Diagnosis #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... immunodeficiency virus (HIV ... sensitive tests ... #Syndrome #diagnosis ... #management #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
cord infarct • HIV ... cord • Guillain-Barre ... • Provocative Tests ... absent anal wink test ... diagnosis #causes #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... Labyrinthitis ○ Epstein-Barr ... zoster virus ○ HIV
Ober's Test for TFL/ITB Inflammation

With the patient in the lateral position, affected side up.  The
The patient grasps ... #Iliotibial #Band ... #Syndrome #ITBand ... knee #clinical #video ... physicalexam #sports #msk