Specific clinical presentations go along with stroke and TIA, said Susan. Visual symptoms like kaleidoscope vision. A person experiencing kaleidoscope vision may perceive their visual field to be fractured, vividly colored, or scrambled similar to looking through a kaleidoscope. That's because it's extremely rare for a stroke to occur as a result of a migraine headache.Kaleidoscope vision is not a stand-alone condition, but rather a visual symptom of migraines or conditions like a stroke or brain injury.
Hemiplegic migraine "can be what's known as sporadic or it can be familial," she said, "so you may be more likely to experience a hemiplegic migraine if members of your family have suffered from this type."When someone comes into a hospital emergency department complaining of migraine and other symptoms, including weakness on one side of the body, numbness, tingling and/or slurred speech, a CT scan may be ordered to rule out a stroke, Jan said. "Though hemiplegic migraine is very rare – less than 1 percent of all migraines – it can result in symptoms of weakness on one side of the body, tiredness, slurred speech and numbness, tingling and pain in the limbs, sometimes for hours or even days."Bland said hemiplegic migraines can happen randomly, especially when you have a history of migraine with aura. "They have similar causes, including what we call vascular insufficiency — not enough blood flow to an area."However, she said, "There are no strong indicators that suggest a direct link between migraine headache alone and stroke." One type of migraine may produce stroke-like symptomsThree migraine types affect the vast majority of sufferers — classic migraine migraine with aura (visual disturbances such as spots, zigzag lines or a kaleidoscope effect in front of the eyes) and hemiplegic migraine, which is felt on one side of the head only.It's believed hemiplegic migraine has more of a connection to blood flow, Jan said.
Keep this in mind.Most migraine headaches don't lead to stroke. The recommendation for women over 35 who do have migraines but want to remain on oral contraceptives is to start relying on a lower-dose estrogen birth control pill until their early 50s and avoid other stroke risk factors such as tobacco use, Jan said. The society concluded that women who suffer from migraines, smoke tobacco and take estrogen-based oral contraceptives over age 35 may have an increased risk of stroke. She points to the American Headache Society's systematic review of estrogen use and tobacco in women who experience migraines.
"Definitely go to your doctor or an emergency department if you're having a migraine and also experiencing these symptoms," Jan said.
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