• 🍒A berry aneurysm of which artery is most likely to cause oculomotor nerve palsy?
• Eye is down at out
• Pupil dilation
  • Parasympathetic nerves impacted as parasympathetic fibres run on outside of nerve and are easily compressed by mass (Pcomm aneurysm)
  • 🍒Absence of papillary dilation in an oculomotor nerve palsy suggests ischaemia