Subarachnoid haemorrhage

external

• Synonyms

  • SAH

• Causes

  • Berry aneurysm
  • Head injury
  • Bleeding disorder
  • Cerebral arteriovenous malformation
  • Adult polycystic kidney disease

• Effects

  • Thunderclap headache
  • Meningism
  • Blood in CSF
  • Xanthochromic CSF
  • Inappropriate ADH secretion
  • Prolonged QT interval
  • T-wave inversion
  • Pulmonary oedema
  • Subhyaloid haemorrhage
  • Terson syndrome
  • Cognitive disturbance
  • Panhypopituitarism
  • Acute headache

• Parents

  • Intracranial bleed

• Treatments

  • Ventilatory support
  • Calcium channel blocker
  • Mannitol
  • Clipping

• Description

  • "Mortality 37% if drowsiness present 5% of all CVAs 1% people have cerebral aneurysms. Most of these unlikely to rupture. "