episode of transient neurological symptoms
Patients who experience symptoms described as transient neurological attacks, such as temporary amnesia or confusion, may have a higher risk for stroke and dementia, according to a study in the December 26 issue of JAMA. Transient neurological attacks (TNAs) are episodes involving temporary (less than 24 hours) neurological symptoms.
A transient ischemic attack (TIA) is an acute episode of temporary neurologic dysfunction that typically lasts less than an hour; results from focal cerebral, spinal cord, or retinal ischemia; and is not associated with acute tissue infarction.