18 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Tumor • Motor Nerves ... Guillain-Barre syndrome ... multiplex, Phrenic nerve ... #differential #diagnosis ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
- Myotonic dystrophy ... test - Cogan sign ... - Peek sign ... - Repetitive nerve ... #management #neurology
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
Tolosa-Hunt Syndrome ... of the cranial nerves ... or orbit (MRI) Treatment ... #TolosaHunt #neurology ... #diagnosis
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Neurogenic Ptosis - Neurologic ... junction, cranial nerve ... eyelid: • Third nerve ... myopathy • Myotonic dystrophy ... #Ptosis #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... receive proper treatment ... is no mainstay treatment ... ophthalmology #physicalexam ... #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Guillain Barre Syndrome ... sensory symptoms or signs ... , Cranial nerve ... nervous system signs ... #neurology #neuropathy
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
• Pain: Due to nerve ... Guillain-Barre Diagnosis ... Treatment: • Plasmapheresis ... #diagnosis #management ... #treatment #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... • Acute stroke syndromes ... Lack of UMN/LMN signs ... #Differential #Diagnosis ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam