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Ophthalmology

Demyelinating Disorders and Guillain Barre Syndrome

Built from Khurana — Neuro-Ophthalmology

The first 25 slides of Demyelinating Disorders and Guillain Barre Syndrome
The first 25 slides, exactly as they appear. The full deck has 48 content slides.

What’s inside

7 sections · 48 slides

  1. 01

    Overview

    • What this topic covers

    1 slide

  2. 02

    The Foundations

    Myelin, and why nerves depend on it

    • What is myelin, and why does it matter?
    • How myelin speeds up the nerve signal
    • Saltatory conduction along a myelinated axon
    • What are demyelinating disorders?

    4 slides

  3. 03

    Neuromyelitis Optica

    Devic disease - the eye-and-spine demyelinator

    • Meeting neuromyelitis optica (NMO)
    • Who gets NMO? (epidemiology)
    • Why NMO happens (pathophysiology)
    • How reliable is the NMO antibody test?
    • How NMO presents
    • The optic neuritis of NMO
    • The spinal cord attack of NMO
    • Course and prognosis: monophasic vs relapsing
    • Relapsing NMO carries a higher death rate
    • Why relapsing NMO can be fatal
    • Investigating NMO: MRI
    • Investigating NMO: CSF and antibodies
    • Mayo Clinic diagnostic criteria for NMO (revised 2006)
    • Risk factors for a relapsing course
    • Multiple sclerosis vs neuromyelitis optica - part 1
    • Multiple sclerosis vs neuromyelitis optica - part 2

    16 slides

  4. 04

    Managing NMO

    Calm the attack, then prevent the next one

    • Treating the acute attack
    • Preventing relapses: immunosuppressants
    • Preventing relapses: newer and rescue options

    3 slides

  5. 05

    MS and Diffuse Sclerosis

    NMO's demyelinating relatives

    • Multiple sclerosis (MS) in brief
    • MS: what the eye and body show
    • Diffuse sclerosis (Schilder disease)

    3 slides

  6. 06

    Guillain-Barre Syndrome

    When demyelination strikes the peripheral nerves

    • What is Guillain-Barre syndrome (GBS)?
    • What triggers GBS?
    • The GBS family of subtypes

    3 slides

  7. 07

    Miller Fisher Syndrome

    The eye-predominant variant of GBS

    • Miller Fisher syndrome (MFS): the clinical triad
    • MFS: the eyes and pupils
    • Why MFS happens: the anti-GQ1b antibody
    • Structure of the GQ1b ganglioside
    • MFS: sorting it from its mimics
    • MFS: management and outcome
    • Three things to remember
    • References (1/3)
    • References (2/3)
    • References (3/3)
    • Neuro-Ophthalmology

    11 slides