(TIA) represents temporary stroke
warning symptoms. A stroke
can be impairment of sensation, level of consciousness, balance, or voluntary motion caused by a rupture or obstruction of an artery in the brain. In short: a stroke is a brain attack. TIA is not a full-blown stroke, but mimics one as you suggest.
An Electrocardiogram (EKG) to confirm a regular heart rate, blockage of electrical impulses through the heart, etc.