Abstract
To the Editor: Fonseca et al1 reported that the transient ischemic attack (TIA) incidence in Joinville, Brazil, is lower than other similarly designed studies and suggest that despite having robust ascertainment methodology, some outpatient cases may have been missed and low public awareness of stroke symptoms might have decreased diagnosis. We also suggest that institutional and regional variations in physicians' perspective may affect TIA incidence. The short duration of symptoms, numerous clinical mimics, and absence of findings …
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