clinical features

Last reviewed 01/2018

The clinical features of hypertensive encephalopathy can be divided up on a temporal basis. Their onset is usually rapid, but not instantaneous:

Early features include:

  • headache
  • nausea and vomiting
  • confusion
  • retinal haemorrhages, exudates or papilloedema
  • impairment of vision or blindness

Late features include:

  • focal neurological signs
  • fits
  • coma
  • proteinuria and evidence of renal and cardiac failure according to underlying cause
  • rarely fever and cervical rigidity