What is transient ischemic attack (TIA) or mini stroke?
hour, although they may persist for up to 24 hours. Transient ischemic attacks (TIAs) are a condition related to strokes. A TIA is a “mini” ischemic stroke that lasts only a few minutes. It occurs when the blood supply to the brain is temporarily interrupted. TIA symptoms, which usually occur suddenly, are similar to those of a full-blown ischemic stroke, but they don’t last as long. Most symptoms of a TIA disappear within an hour, although they may persist for up to 24 hours. Symptoms of a TIA can include sudden difficulty with vision, speech, behavior, and thought. TIAs occur before an ischemic stroke in about 60% of cases, and 35% of untreated patients will develop a stroke within 5 years of a transient ischemic attack. The greatest risk for stroke is early, within the first year after the TIA, with about 20% occurring within the first month after the TIA and 50% within the first year after the TIA. The more frequently TIAs occur, the higher the possibility of stroke. Symptoms can i
