![]() A bruit is caused by irregular blood flow. An abnormal sound called a bruit may be heard when listening to the carotid artery in the neck or other artery. The doctor will use a stethoscope to listen to your heart and arteries. You will also be checked for nerve and muscle problems. The health care provider will do a complete physical exam to check for heart and blood vessel problems. A TIA diagnosis may be made based on your medical history alone. Often, the symptoms and signs of a TIA will have gone away by the time you get to the hospital. People who have heart disease or poor blood flow in their legs caused by narrowed arteries are also more likely to have a TIA or stroke. ![]() Ethnicity (African Americans are more likely to die of stroke).Increasing age, especially after age 55.Tendency to have abnormal blood clotting.Irregular heartbeat called atrial fibrillation.High blood pressure is the main risk for TIAs and stroke. Narrowing of a blood vessel in the brain or leading to the brain.A blood clot that travels to the brain from somewhere else in the body (for example, from the heart).The loss of blood flow to an area of the brain can be caused by: A TIA does not cause brain tissue to die. After a TIA, the blockage breaks up quickly and dissolves on its own.
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