A transient ischemic attack (TIA is defined as “a ...

A transient ischemic attack (TIA) is defined as “a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischemia, without acute infarction.”1 A TIA had traditionally been clinically defined by the temporary nature of the symptoms; a TIA was considered to produce reversible neurologic effects that lasted < 24 hours.2 However, it has become clear that for … ................
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