Background: Acute infarction is detected in a third of patients undergoing diffusion-weighted magnetic resonance imaging (DW-MRI) with clinically suspected transient ischemic attack. The longer symptoms are present, the more likely an infarct will be identified on DW-MRI. Events as short as 10 minutes have been reported in association with a DW-MRI lesion.
Methods: We present a case of an otherwise healthy man with a 10-second episode of neurologic dysfunction associated with DW-MRI lesions from a cardioembolic source.
Results: The atypical symptoms and lack of risk factors for cerebrovascular disease made his diagnosis easy to miss.
Conclusions: Early DW-MRI may be of benefit beyond clinical judgment in patients with fleeting symptoms of neurologic dysfunction.
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