Neuro

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6 Cards. Created by AliceStaunton ().
 
Term  
Definition

Papillitis

Found in MS lesion of demyelination is on the head of optic nerve Disc look swollen and pink Early and profound vision loss Central scotoma, Impaired colour vision & Pain on eye movements

Retrobulbar neuritis

Found in MS lesion of demyelination in optic nerve behind the eye Disc look normal Visual deterioration at later stage Enlargement of blind spot & constrictions of the fields

Residual symptoms after optic neuritis

Relative Afferent Pupillary Defect Small Central Scotomata Deficits in colour vision

What develops several weeks after optic neuritis

Optic Atrophy - pale disc This can be the only sign as optic neuritis can be asymptomatic

Where do lesion in MS occur

demyelination of white matter brain and spinal cord = plaques Lesion lie close to post-capillary venues (perivenular) Main sites: - Periventricular region of the hemispheres - Corpus callosum - Brainstem - medial longitudinal fasciculus, cerebellum & cerebellar peduncles - Cervical cord - Optic Nerves

How does spinal cord lesion present

Spastic paraparesis(Thoracic cord) or Tetraparesis(Cervical cord) with tonic spasms of the limbs