What is a brain embolism?

embolus is a thrombus, or in simpler language, a small mass of intravascular clot that may have formed in the blood vessels or heart, which consequently broke of from the vessel wall with the flowing blood, and now because it has finally rested in the blood vessels supplying the brain, it is referred to as a brain embolus. and this condition is called brain embolism. however, this is certainly a condition that requires immediate medical attention.
It is when an air bubble lodges in an artery in the brain blocking it off, causing a stroke.