32 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Differential Diagnosis Algorithm ... • Myasthenia Gravis ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential ... #Diagnosis #Algorithm
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
variable degree of weakness ... Limb- proximal weakness ... test - Cogan sign ... - Peek sign ... diagnosis #management #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... , Myasthenia Gravis ... Neuromuscular #Weakness
Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when the more affected
Curtain Sign in ... Myasthenia Gravis ... #Curtain #Sign # ... clinical #video #neurology ... #ophthalmology
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
Ptosis - Curtain Sign ... in Myasthenia Gravis ... #Curtain #Sign # ... clinical #video #neurology ... #ophthalmology
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
Ptosis - Curtain Sign ... in Myasthenia Gravis ... #Curtain #Sign # ... clinical #video #neurology ... #ophthalmology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia Gravis ... non-localized EOM weakness ... such as cogan sign ... clinical #video #ophthalmology ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Paraneoplastic syndrome ... Postsynaptic: Myasthenia Gravis ... Lack of UMN/LMN signs ... Differential #Diagnosis #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... Upper extremity weakness ... anesthesia. leg weakness ... pathophysiology #signs ... #orthopedics #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Progressive muscle weakness ... Progression of weakness ... sensory symptoms or signs ... nervous system signs ... diagnosis #criteria #neurology