A TIA can be a sign that a more serious stroke is on the way, so it is important to take them seriously and to seek help, even if the symptoms go away by themselves. The symptoms can go away within minutes as the blood supply returns and there might not be much permanent damage to the brain cells. A mini-stroke or transient ischemic attack (TIA) happens when the blood vessel is just temporarily blocked. The effects of a stroke will depend on how long the interruption is. ![]() If the supply is interrupted for long enough, the brain cells will die. Without a good blood supply, the brain cells don’t get the oxygen they need to function. Strokes can also happen if the blood vessel itself is damaged. In about 80% of cases, this happens because of a blood clot or blocked artery. What Are the Early Warning Signs of a Stroke?Ĭould you tell if someone was having a stroke? Being able to spot the early warning signs could make all the difference for you or a loved one.Ī stroke happens when the blood supply to the brain is interrupted.
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