Tia's result from cardiac, carotid or vessel to vessel emboli usually from platelet aggregates (clots).
A thorough eval by your neurologist or internal medical doctor is manditory to prevent a stroke
. You should be evaluated with carotid u/s, blood pressure
evluation, ekg's, get lipid
panels, checked for diabetes
, and if necessary a hyper-coaguable state. Most patients are treated with aspirin