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Migranous vasospasm

Migranous vasospasm is a subset of reversible cerebral vasoconstriction syndrome. It is also known as "crash migraine" although it is sometimes described as a separate condition.

Whether migraine is actually a predisposing factor to RCVS or it is simply that migraine is common (up to 12% of the population) and will therefore be reported by patients with RCVS is uncertain. Migraineurs with RCVS do not report typical migranous auras, and is different from thier normal migraines.

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