The brain needs a constant supply of blood to provide vital nutrients and oxygen to its cells.
Symptoms of TIA are similar to stroke but effects last for a few minutes and subside within 24 hours. Unlike a stroke, blood supply resumes to the part of the brain affected. TIA increases the risk of having another TIA or stroke and is a sign that the brain is not getting enough blood. Some of these symptoms may resemble a hypo so treat as an emergency.