FA: pg 444

[HelpPleaseMD]

Can someone please explain why strokes affecting the anterior spinal artery would lead to contralateral /ipsi of anything? Isn't the ACA 1 artery that supplies both sides ?

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[ijn]

The artery has to split into two at some point. Obstruction at that point would only affect half of the spinal cord.

 

[HelpPleaseMD]

thanks