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Basilar Artery PowerPoint PPT Presentation


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Basilar Artery. Anterior inferior cerebellar artery Superior cerebellar artery Posterior cerebral artery Posterior choroidal arteries Blood supply to the thalamus, midbrain, pons, medulla, cerebellum. Vertebral Artery. Dural entry Anterior spinal artery Ant/post meningeal arteries

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Basilar Artery

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Basilar Artery

  • Anterior inferior cerebellar artery

  • Superior cerebellar artery

  • Posterior cerebral artery

    • Posterior choroidal arteries

  • Blood supply to the thalamus, midbrain, pons, medulla, cerebellum


Vertebral Artery

  • Dural entry

  • Anterior spinal artery

  • Ant/post meningeal arteries

  • Posterior inferior cerebellar artery

    • Anterior medullary segment

    • Lateral medullary segment

    • Tonsillomedullary

    • Telovelotonsillar

    • Cortical


Venous Anatomy

  • Superficial vs deep veins

  • Sinuses

  • Symptoms with venous congestion


Clinical Cases


Subarachnoid Hemorrhage

  • 71 year old man

  • Headache, no deficit

  • Interpeduncular blood


Cause of Subarachnoid Hemorrhage?


Pre-nidal Aneurysm


Selective Posterior Cerebral Arteries


Post- treatment


Risk of Bleed Eliminated?

  • Incomplete L IIIrd n palsy

  • No other deficits

  • Treatment of AVM


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