Archive for the ‘Cerebral’ Category

Transient ischemic attacks

A transient ischemic attack, or TIA, is a sudden localized blood deprivation in the brain that can produce problems such as weakness in the hand, face or leg; loss of vision in one eye, poor balance, slurred speech, or seeing double. It resembles a mini-stroke but it usually lasts only a few minutes and is all gone within 24 hours. Most TIAs are due to cerebral emboli from atherosclerotic plaques in the arteries in the neck or, less often, from thrombi in a diseased heart. Some TIAs are due to...