25 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
thyroid, Sjogren syndrome ... “dropping head syndrome ... - Kearns-Sayre syndrome ... syndrome - Miller ... #management #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Guillain-Barre syndrome ... Lambert Eaton Syndrome ... , Myasthenia Gravis ... #differential #diagnosis ... #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Test (Upper-Limb ... forearm supination → wrist ... #physicalexam #sports ... #msk #orthopedics ... #neurology #ULNT
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Test (Upper-Limb ... forearm supination → wrist ... #physicalexam #sports ... #msk #orthopedics ... #neurology #ULNT
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Horner’s syndrome ... palsy • Horner syndrome ... Blepharophimosis syndrome ... one • Duanes Syndrome ... #Ptosis #neurology
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
Tolosa-Hunt Syndrome ... of the cranial nerves ... #Tolosa #Hunt #Syndrome ... #TolosaHunt #neurology ... #diagnosis
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
50 years in men Diagnosis ... usually • Starts ... within 3 years of diagnosis ... #Gravis #diagnosis ... #management #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Paraneoplastic syndrome ... Lambert-Eaton - Isaacs' syndrome ... Postsynaptic: Myasthenia ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... cardiomyopathy, Horner syndrome ... Miller Fisher Syndrome ... Guillain #Barre #Syndrome ... #treatment #neurology