thenurse_shortcut on Instagram: "Guillain Barre Syndrome Explained #medical #nclex #norcet #trending #bscnursing GBS is an autoimmune disorder usually occurring after infections like Campylobacter jejuni. Due to molecular mimicry antibodies formed against the bacteria mistakenly attack peripheral nerve myelin ,as bacterial antigens resemble nerve gangliosides. This leads to demyelination , causing ascending weakness and loss of reflexes."