Friday, May 28, 2021

Subarachnoid haemorrhage

Clinically important steps required for SAH management ( from its onset ) 

  • Most commonly due to ruptured saccular (berry) aneurysm
  • Severe & sudden onset of headache different from previous headache pattern or described as "worst headache of my life"
  • Nausea, vomiting, brief loss of consciousness, focal neurologic deficits, or meningismus
  • Noncontrast head CT >90% sensitive within 2-6 hr of SAH onset
  • Lumbar puncture required to exclude SAH definitively in patients with negative CT scan of the head
  • Xanthochromia confirms diagnosis (usually >6 hr from SAH onset)
  • Cerebral angiography to identify bleeding source

Happy studying! 
Thanks folks! 🩺

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