Abstract
The understanding of transient ischemic attack (TIA) has changed. The high early risk of stroke demands rapid assessment and treatment. Some patients, such as those with TIA attributable to an active carotid artery plaque, appear to be at higher risk than others.1 The direct result of this paradigm shift is the need to develop tools for stratifying patients according to risk. Although some have adopted a strategy of admitting all TIA patients, this approach may not be the most efficient. Clinical prediction rules may be the most helpful in triaging patients. Factors that are risks for early stroke include clinical ones such as age, diabetes mellitus, longer duration TIA, motor or speech symptoms of TIA, and imaging factors such as the presence of carotid artery disease or a diffusion-weighted imaging lesion …
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