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Transient Ischemic Attack (TI... : Causes

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Causes could include:
A transient ischemic attack(TIA) is caused by temporary disturbance of blood supply to an area of the brain, which results in a sudden, brief decrease in brain function.(A decrease in brain function is called a neurologic deficit.).A TIA is differ...
Source:ADAM
Date:September 16, 2008
The symptoms of a TIA occur when there is temporary blockage of an artery supplying part of the brain, causing ischemia, or not enough blood supply to provide the brain with the oxygen and nutrients it needs to function properly. The ischemia doe...
Source:Gale Encyclopedia of Neurological Disorders
A TIA is caused by a temporary blockage of one of the arteries that leads into the brain. Small blood clots, called microemboli, are the immediate cause of the blockage.
Source:Gale Encyclopedia of Medicine
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