A member asked:

Can a carotid or vertebral artery dissection (no trauma/injury) be slow developing over a couple months, or is it always within a day or week maximum?

A doctor has provided 1 answer
Dr. Mark Fisher answered

Specializes in Neurology

Yes and no: The mode of onset can APPEAR gradual when it is in fact stepwise, but even a gradually progressive arterial dissection tends to manifest suddenly when it reaches its maximum extent. You’ve asked a good question. The mode of onset of an arterial dissection is often difficult to determine exactly because they can be asymptomatic in the early stages.

Answered 5/15/2018



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