8 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Tetanus, Transverse Myelitis ... Eaton Syndrome, Myasthenia ... Weakness #Causes #differential ... #diagnosis #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... Bedside: ice pack test ... /Edrophonium test ... immunologic assay - MuSK ... diagnosis #management #neurology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
and the ice pack test ... dismay the blood work ... include a Tensilon test ... tumor, and always ask ... ophthalmology #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Postsynaptic: Myasthenia ... dystrophies Work ... #Weakness #Differential ... #Diagnosis #neurology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... spondylitis - Sacroiliac ... : HIV test, a rubella ... osteomalacia) • Sacroiliac ... Arthritis #laboratory #workup
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
negative, MOG-IgG test ... simplex virus, HIV ... , Hep A/B/CMV, TB ... diagnosis #management #neurology ... #differential
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 ... • Transverse myelitis ... • Provocative Tests ... absent anal wink test ... diagnosis #causes #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... nerve injury (25%) TEST ... Check hip and ankle ... WORK UP: obtain ... Posterior #Injury #msk