29 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
crises”. ... test - Cogan sign ... - Peek sign ... immunologic assay - MuSK ... diagnosis #management #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Resp/Heme: CHF, valves ... stroke, tumor), LMN ... NMJ disorder (Myasthenia ... Differential #Diagnosis #causes ... #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
age 50 years in men ... antibodies - MuSK-positive ... likely to cause ... glucocorticoids - can cause ... diagnosis #management #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... a mass as the cause ... • Myasthenia ... Error • Cataract/Lens ... Neuromuscular Junction • Myasthenia
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Eaton Syndrome, Myasthenia ... Neuromuscular #Weakness #Causes ... differential #diagnosis #neurology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Myasthenia gravis ... such as cogan sign ... tumor, and always ask ... ophthalmology #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... sarcoma • Legg-Calve-Perthes ... Hematoma Venous Causes ... Edema Arterial Causes ... lower #extremity #msk
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... failure -(rare), Valve ... Blood cultures/serology ... Blood cultures/serology ... in up to 30% of cases
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... lumbar spine Signs ... loss of normal leg ... CaudaEquina #Syndrome #MSK ... diagnosis #symptoms #signs
An Algorithm for the Management of Seizures

The management of active seizures is algorithmic, starting with a
adjuncts and bag-valve ... mask if needed) ... continuous vital sign ... Management #Emergency #Neurology