Why do doctors use cerebral angiography?
Cerebral angiographies show the brain’s blood vessels. Doctors use cerebral angiography to detect abnormalities in the brain’s blood vessels, such as narrowing or blockage. It is usually done after another test (such as a CT scan) has already detected an abnormality. Angiography is useful in detecting and diagnosing acute stroke and is especially beneficial since the images taken through cerebral angiography cannot be taken through other techniques. What happens during a cerebral angiography? You will be asked to remove all clothing and jewelry and wear a patient gown before undergoing the procedure. While you are lying on an x-ray table, a local anesthetic is given, usually in the thigh, where an incision is made. The catheter (a long, narrow flexible tube) is put into your body through the incision navigated to the carotid arteries, where the dye is injected. After you are properly placed on the exam table, your head is positioned in the desired field of view, and regular x-ray is us
