Transient ischemic attacks, or TIAs, should no longer be thought of as mere “mini-strokes,” but rather harbingers of a bigger stroke to come, according to the American Heart Association.
a temporary blockage of blood to the brain produces strokelike symptoms that swiftly resolve.
Because symptoms tend to disappear within an hour, it can be hard to diagnose suspected TIAs, according to the guidance.release , AHA officials say a TIA “is more accurately described as a warning stroke.” Though they are less severe than full-blown strokes, TIAs lead to full strokes in about 1 in 5 patients within three months. Nearly half of those full-blown strokes occur within just two days, the scientists write.The guidelines call on medical providers to use both brain imaging and risk assessment scores to determine whether a stroke damaged the brain and point to patients at risk for a larger stroke.
“Incorporating these steps for people with suspected TIA may help identify which patients would benefit from hospital admission, versus those who might be safely discharged from the emergency room with close follow-up,”, an associate professor of neurology who chaired the association’s scientific statement writing committee, in the news release. Amin is also the medical stroke director at Yale New Haven Hospital.
TIAs share the same symptoms as strokes: facial drooping, arm weakness, speech difficulty, dizziness. People with other cardiovascular risk factors such as obesity, high blood pressure and smoking are at higher risk.
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