What is a stroke?

What is a stroke?   Am I at risk?   What are the signs?   FAQ


A stroke happens when a portion of the brain does not receive enough oxygen.  When this happens, part of the brain can be permanently injured.


There are three kinds of strokes:


An ischemic stroke happens when a clot forms in a brain blood vessel, blocking blood flow and oxygen to a part of the brain.  Ischemic strokes are the most common type of stroke.

Transient Ischemic Attack (TIA):

If a brain blood vessel becomes blocked for a short period of time, blood flow and oxygen to the brain can slow down or even stop. When this happens, stroke-like symptoms can occur.  This is called a Transient Ischemic Attack, abbreviated “TIA.”  TIA is often referred to as a mini-stroke.

Even though TIA does not cause permanent damage, they are serious warning signs of stroke and should not be ignored and should be taken care of immediately.


Hemorrhagic stroke happens when a blood vessel in the brain bursts and blood leaks into or around the brain.  This blood is toxic and can permanently injure the brain.