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August 18th, 2017


  • Look For

  • Mydriasis refers to pupillary enlargement that is out of keeping with the level of light.
If not bilateral, mydriasis will present as anisocoria.
  • Causes of Bilateral Mydriasis

  • Cerebral lesion - cerebral herniation, encephalitis, visual cortex infarct, tumour, trauma, multiple sclerosis
  • Drugs - anticholinergics, SSRIs, SNaRIs, stimulants, barbiturates, methanol
  • Brain stem death
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