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December 26, 2007

Transient Neurological Attack: A Useful Concept?

Author Affiliations

Author Affiliations: Neurovascular Service, Department of Neurology, University of California, San Francisco.

JAMA. 2007;298(24):2912-2913. doi:10.1001/jama.298.24.2912

Conceptually, transient ischemic attacks (TIAs) are identical to ischemic strokes except the symptoms resolve within 24 hours. The underlying causes of TIA and stroke are identical, and recommendations for diagnostic evaluation and treatment are similar.1 Transient ischemic attack and stroke are different, however, in another important way, distinct from symptom duration: ischemic stroke is relatively easy to diagnosis with certainty, but there is often disagreement about whether a given patient has had a TIA.

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