23 results
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
- Differential Diagnosis ... - Occurs at Rest ... Motionless Against Gravity ... MovementDisorders #Neurology ... #Differential #Diagnosis
Ice-pack Test for Myasthenia Gravis - Likelihood Ratio (LR) +24 / -0.16
Ice pack's can be used
Ice-pack Test for ... Myasthenia Gravis ... #Myasthenia #Gravis ... #physicalexam # ... neurology #diagnosis
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
and the ice pack test ... include a Tensilon test ... have a thymic tumor ... #PhysicalExam # ... ophthalmology #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... three clinical diagnoses ... Myasthenia gravis ... Neurogenic Ptosis - Neurologic ... #Ptosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Myelitis, Trauma, Tumor ... Guillain-Barre syndrome ... , Myasthenia Gravis ... #differential #diagnosis ... #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... Other brainstem syndromes ... , Myasthenia gravis ... Manifestations #diagnosis ... #neurology #symptoms
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... skin injury) • Neurologic ... Positive pathergy test ... is a skin prick test ... interferon alfa, or tumor
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
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... system: Brain tumor ... Postsynaptic: Myasthenia Gravis ... #Differential #Diagnosis ... #neurology