Migraine with Aura and Stroke

Women who suffer from migraines preceded by aura are at particularly high risk for stroke within a year of diagnosis.

Before birth, blood bypasses the lungs by circulation through a hole between the upper chambers of the heart called a foramen ovale. After birth, the hole generally closes. If it does not, it is known as a patent (open) foramen ovale, or PFO. PFOs increase the risk of a blood clot passing from the right side of the heart into the left side, where it gets pumped into the circulation and travels to the brain, causing a cardioembolic stroke.
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