An ischemic stroke occurs when a blood vessel supplying the brain becomes blocked, often by a blood clot or fatty deposit, leading to a lack of oxygen and potential cell death. Recognizing the signs ...

DALLAS, April 5 – The accuracy of diagnosing a blocked brain vessel in an emergency setting improved nearly 100 percent when physicians used a high-speed CT scanner, researchers report in today’s ...

Usually, the blockage comes from a blood clot. The clot may form in the retina or travel there from another part of the body. The blockage can also happen after a piece of fatty plaque plugs the ...

The carotid arteries, which are located on either side of your neck, provide your face and brain with the oxygen-rich blood they need to function properly. Without this blood flow, your brain cells ...