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→Autoimmune Disorders
=Autoimmune Disorders=
=Autoimmune Disorders=
==Guillain-Barré syndrome==
==Guillain-Barré syndrome==
*H&P:
*H&P: Ascending paralysis typically following a respiratory or GI (e.g. campylobacter) infection. Also known as Acute Inflammatory Demyelinating Polyneuropathy (AIDP). Lasts 2-4 weeks. If it lasts > 8 weeks, think CIDP, C for Chronic. '''Hyporeflexia and parasthesias'''.
*Dx:
*Dx: Clinical. Can get EMG which shows slow conduction (due to demyelination). LP will show albuminocytologic dissociation (elevated protein, normal WBCs).
*Tx:
*Tx: Plasmapheresis or IVIG.
==Multiple Sclerosis==
==Multiple Sclerosis==
*H&P:
*H&P: Demyelinating autoimmune disease that can be relapsing remitting, primary or secondary progressive, or progressive/relapsing.
*Dx:
*Dx: MRI shows periventricular fingerlike white matter lesions, LP shows oligoclonal bands, '''VEPs show delayed conduction'''
*Tx:
*Tx: Steroids
=Neuropsychiatric Disorders=
=Neuropsychiatric Disorders=