A stroke is the sudden death of brain cells due to lack of oxygen. A stroke is usually defined as one of two types :
The consequences of a stroke, the type of functions affected, and the severity, depend on where in the brain it has occurred and the extent of the damage.
The acronym FAST is an easy way to remember signs of stroke and what to do if you think a stroke has occurred. (The most important is to immediately call for emergency assistance.
FAST Stands for :
It is critical for patients who experience stroke symptoms to get to a hospital as quickly as possible. Patients who are suffering an ischemic stroke may be able to receive a clot-busting drug to dissolve the clot if they reach a hospital within 4.5 hours of symptom onset.
In 2009, the American Heart Association and the American Stroke Association recommended extending this treatment window to 4.5 hours for patients who: