22 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... Serologic and EMG ... test - Cogan sign ... - Peek sign ... #management #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... (e.g. oculomotor ... AQP4-lgG disease; e.g ... , Myasthenia gravis ... #symptoms #signs
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... serologic, and EMG ... likely to cause ... characteristic EMG ... #Gravis #diagnosis
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... , Myasthenia Gravis
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Parkinson's • Myasthenia ... Gravis Pharmacologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
most common in young ... to the femur ( e.g ... Femur #Fractures #msk ... #differential #causes ... #pathophysiology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Presentation - Young ... • Or brainstem syndromes ... Radiographic findings (eg ... Laboratory findings (eg ... VEP’s: EEG of visual
Pisa Syndrome (pleurothotonus) on Physical Exam
A tonic flexion of the trunk of the body to one
Pisa Syndrome (pleurothotonus ... Caused commonly ... by: - drugs (e.g ... neurodegenerative disorders (eg ... Pathophysiology:
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Postsynaptic: Myasthenia ... Gravis - Lack ... of UMN/LMN signs ... electromyographic (EMG ... Differential #Diagnosis #neurology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... WBC >100k, + lab signs ... : • Pathophysiology ... unless worrisome EKG