Changes

According to guidelines from the American Heart Association and American Stroke Association Stroke Council, patients with symptoms indicating TIA should have head imaging “within 24 hours of symptom onset, preferably with magnetic resonance imaging, including diffusion sequences”.<ref name="Easton6">{{cite journal | author = Easton JD, Saver JL, Albers GW ''et al.'' | year = 2009 | title = Definition and evaluation of transient ischemic attack | doi=10.1161/strokeaha.108.192218 | journal = Stroke | volume = 40 | issue = 6| pages = 2276–2293 | pmid=19423857}}</ref>