22 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... muscular atrophy • Hodgkin's ... Syndrome • Botulism ... Dystrophy • Statin ... #Neurology #Differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
effects of SCC or Hodgkin ... test - Cogan sign ... - Peek sign ... Imaging - CT Chest ... diagnosis #management #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Demyelinating Disease (MS ... , Myasthenia Gravis ... #diagnosis #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness ... Myopathy: Drugs (statin ... NMJ disorder (Myasthenia ... Differential #Diagnosis #causes ... #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Diagnosis: • Based on clinical ... likely to cause ... glucocorticoids - can cause ... - Improves clinical ... diagnosis #management #neurology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Her clinical exam ... non-localized EOM weakness ... such as cogan sign ... tumor, and always ask ... ophthalmology #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Postsynaptic: Myasthenia ... Lack of UMN/LMN signs ... toxins: Steroids, Statins ... Differential #Diagnosis #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... Upper extremity weakness ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... Complications: • Weakness ... pain (shooting, stabbing ... #MSK #pathophysiology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
for pinch grip weakness ... caused by ulnar ... #Nerve #Palsy #clinical ... #video #neurology ... #physicalexam #msk